evidence for chemical evolution is provided by which three examples?
A.amino acids found in organisms have also been found in meteorites
B.prokaryotes and eukaryotes organelles have similar membranes
C.organic molecules can form from reactions near hydrothermal vents
D.electric sparks can form from organic molecules from inorganic molecules

Answers

Answer 1

Evidence for chemical evolution is provided by which three examples C.organic molecules can form from reactions near hydrothermal vents

There are how many chemical reactions?

The five different types of chemical reactions are oxidation, reduction, single displacement, double displacement, and combination.

The chemistry of the world's oceans is regulated by hydrothermal vents, which function as the planet's natural plumbing systems, carrying heat and chemicals from deep inside the planet. The seafloor is covered with enormous amounts of potentially valuable minerals as a result of this process.

The vents are created when hot magma warms the chilly saltwater.

learn more about chemical evolution

https://brainly.com/question/16553477

#SPJ1


Related Questions

a. compare and contrast: why is the relationship between student and monster in her vision both similar to and different from the relationship between the creator and humanity?

Answers

In comparing and contrasting the relationship between the student and the monster in her vision with the relationship between the creator and humanity, we can identify both similarities and differences.

Both relationships involve a creator and their creation, implying a sense of responsibility and power dynamics. The student creates the monster, just as the creator forms humanity, which may result in feelings of pride or accomplishment.

However, there are notable differences as well. The student's creation, the monster, is often feared and ostracized due to its unnatural and potentially dangerous nature, whereas humanity is generally accepted as part of the natural order.

Additionally, the creator's relationship with humanity may be more benevolent and nurturing, while the student's relationship with the monster can be more conflicted and fear-driven. This highlights the difference between the creators' intentions and the creations' integration into society.

To know more about relationship refer here:

https://brainly.com/question/31248849#

#SPJ11

While there are similarities between the relationships of the student and monster, and the creator and humanity, the differences in the dynamics of these relationships make them distinct and separate from each other.

The relationship between the student and the monster in Mary Shelley's novel Frankenstein is similar to the relationship between the creator and humanity in that both involve a power dynamic between the creator/teacher and the created/student. The creator/teacher holds the power to shape and influence the thoughts and actions of the created/student.

However, there are also significant differences between the two relationships. The student and the monster have a more intimate and personal relationship than the creator and humanity. The monster is created by Victor Frankenstein and has a strong emotional connection to him, whereas humanity is not directly created by any single entity.

Additionally, the relationship between the student and the monster is more complex and nuanced than the relationship between the creator and humanity. The monster is not simply a passive recipient of knowledge from the student, but rather an active participant in the learning process. The monster is capable of independent thought and action, which leads to conflict and ultimately tragedy.

Learn more about relationships here:-

https://brainly.com/question/31248849

#SPJ11

1. Which is the most common bone to break?

femur
tibia
skull
vertebrae

Answers

Unexpectedly, the clavicle, sometimes known as the collarbone, is the bone that breaks most frequently. The bone that spans the body's front from shoulder to shoulder is known as the clavicle. It breaks quite readily because of its length, slenderness, and conspicuous position.

What is meant by collarbone?Breastbone and shoulder blades are connected by the clavicles. the collarbone, also. Moving your arm or shoulder may become difficult and be quite uncomfortable. During the healing process, people who suffer from clavicle fractures frequently have to wear their arms in a sling. As soon as the fracture heals, there are often no restrictions. Most patients can move freely and can resume their normal activities without any restrictions. Healing time for certain fractures can range from six to nine months. Surgical intervention can be required if the fracture does not heal. Collarbones, also called "beauty bones," have historically been linked to thinness and, thus, attractiveness.

To learn more about collarbone, refer to:

https://brainly.com/question/10843431

Staph infections can be very dangerous, especially ones caused by methicillin-resistant Staphylococcus aureus (MRSA). MRSA is problematic because it is not sensitive to the antibiotic methicillin, which is commonly used to treat staph infections. Which of the following statements best describes why MRSA is able to continue to multiply and spread in the presence of methicillin?

A.
Antibiotics evolve every generation and eventually become ineffective.
B.
Methicillin is able to pass a gene to MRSA that enables it to carry resistance to the next generation.
C.
The genes that carry resistance in MRSA are continuously passed on to the next generation.
D.
MRSA has the ability to reproduce at a much faster rate in the presence of methicillin.'
Brainliest will be given! =D

Answers

The best answer to the question is option C: The genes that carry resistance in MRSA are continuously passed on to the next generation.

MRSA is able to continue to multiply and spread in the presence of methicillin because the genes that carry resistance to antibiotics are continuously passed from one generation of MRSA to the next. This is achieved through the process of horizontal gene transfer, in which bacteria can exchange genetic material with one another. Through this process, MRSA can acquire resistance genes from other bacteria that have evolved resistance to methicillin and other antibiotics. This allows MRSA to evolve and continue to grow in the presence of methicillin, even as other bacteria are killed off by the antibiotic.

Question 32
Eradication of mosquitoes and ticks would have no effect on epidemic of:
a. equine encephalitis
b. infectious hepatitis
c. yellow fever
d. Rocky Mt Spotted Fever

Answers

Eradication of mosquitoes and ticks would have no effect on epidemic of infectious hepatitis. Option B is correct.

Eradication of mosquitoes and ticks would likely have no effect on the epidemic of infectious hepatitis, as this disease is primarily transmitted through contaminated food or water, and not through the bite of mosquitoes or ticks.

Infectious hepatitis, also known as hepatitis A, is caused by the hepatitis A virus (HAV) and is commonly spread through consumption of contaminated food or water that has been contaminated with fecal matter containing the virus.

It is not typically transmitted through mosquitoes or ticks, which are known vectors for other diseases such as equine encephalitis, yellow fever, and Rocky Mountain Spotted Fever. Vaccination, improved sanitation, and proper hygiene practices are important measures for preventing the spread of infectious hepatitis.

Hence, B. is the correct option.

To know more about Infectious hepatitis here

https://brainly.com/question/28214986

#SPJ4

An intervening sequence of DNA that is not expressed is called a(n)

Answers

An intervening sequence of DNA that is not expressed is called an intron. An intron is a segment of DNA that is transcribed into RNA during gene expression.

An intron is a segment of DNA that is transcribed into RNA during gene expression but is then removed by splicing and is not translated into a protein. Introns are found in many eukaryotic genes, including humans, and can vary in length from a few dozen nucleotides to thousands of nucleotides. The removal of introns is an essential step in the process of mRNA maturation, which involves the splicing of the pre-mRNA molecule to remove the non-coding introns and join the coding exons together to form a mature mRNA transcript. Introns are believed to have originated from ancestral mobile genetic elements and may have functional roles in gene regulation and alternative splicing.

Learn more about protein :
https://brainly.com/question/29776206

#SPJ11

Select the following phylum that includes protostome animals that are segmented, bilaterally symmetric, and have a chitinous exoskeleton.
a. Arthropoda
b. Annelida
c. Mollusca
d. Brachiopoda
e. Platyhelminthes

Answers

The correct answer is a. Arthropoda

Question 56
The most common form of cancer in women under age 30 is:
a. Basal cell carcinoma
b. Squamous cell carcinoma
c. Malignant melanoma
d. Breast cancer

Answers

The most common form of cancer in women under age 30 is malignant melanoma, making option c the correct answer.

Malignant melanoma is a type of skin cancer that arises from the cells that produce pigment in the skin. It can occur anywhere on the body, but is commonly found on the legs in women and on the trunk in men.

The risk factors for malignant melanoma include a history of sunburns, exposure to ultraviolet (UV) radiation from tanning beds or the sun, a family history of skin cancer, and having fair skin, hair, and eyes. Early detection and treatment are critical for the successful management of malignant melanoma, so it is important to regularly check the skin for any changes or abnormalities and to promptly seek medical attention if any are found.

Learn more about Malignant melanoma here:

https://brainly.com/question/16989624

#SPJ11

Lesson 2: Biology Semester A Exam Connections Education

BIO A Unit 5: Semester Review and Final


I lost all my Biology notes because my brothers completely ruined them and I really need to pass. Can I PLEASEE get the answers!?? >~

Answers

Unit 5 of the Biology Semester A course offered by Connections Education covers topics such as genetics, heredity, DNA structure and function, and gene expression.

Effective study strategies for preparing for the Semester Review and Final exam include reviewing class notes, studying from the textbook, practicing with sample questions and quizzes, and utilizing study aids like flashcards and mnemonic devices. It is also important to identify areas of weakness and focus on improving those areas through additional research and practice. Developing a study schedule and taking breaks to avoid burnout can also aid in successful exam preparation.

To know more about biology, here

https://brainly.com/question/28405832

#SPJ4

--The complete question is, What topics and concepts are covered in Unit 5 of the Biology Semester A course offered by Connections Education, and what are some effective study strategies to prepare for the Semester Review and Final exam?--

in trinucleotide repeat expansion disorders, when the expansion occurs in the coding sequence of the gene, the repeat sequence is usually ______.

Answers

In trinucleotide repeat expansion disorders, when the expansion occurs in the coding sequence of the gene, the repeat sequence is usually translated into a long stretch of a particular amino acid, leading to the formation of abnormal protein aggregates.

These disorders are caused by the abnormal expansion of a repeated DNA sequence within a gene, leading to a change in the protein structure and function. The repeat sequence is usually composed of three nucleotides, and the number of repeats can vary from a few to hundreds or even thousands, depending on the specific disorder.

The abnormal protein aggregates can lead to a range of clinical symptoms, depending on the affected tissue or organ. Some examples of trinucleotide repeat expansion disorders include Huntington's disease, fragile X syndrome, and myotonic dystrophy.

Understanding the molecular basis of these disorders can aid in the development of new treatments and therapies.

To know more about trinucleotide repeat expansion disorders refer here:

https://brainly.com/question/17086513#

#SPJ11

In the metabolism of glucose, who is the reducing/oxidizing agent?

Answers

In the metabolism of glucose, glucose itself is the reducing agent, as it donates electrons to other molecules, such as NAD+ and FAD, during the process of glycolysis and the citric acid cycle.

During glycolysis, glucose is oxidised to two  motes of pyruvate, and two  motes of NAD are reduced to NADH, which transports electrons to the electron transport chain. The two pyruvate  motes are  farther oxidised to CO2 in the citric acid cycle, and  fresh  motes of NAD and style are reduced to NADH and FADH2, independently.  

The NADH and FADH2 created during glycolysis and the citric acid cycle are  also utilised to  induce ATP during the last step of cellular respiration, oxidative phosphorylation. NADH and FADH2 give electrons to a series of electron carriers in the electron transport chain, performing in the  product of a proton  grade.

Learn more about glucose at

https://brainly.com/question/28295474

#SPJ4

Directionality or Navigability from class A to class B means that

Answers

Directionality or Navigability from class A to class B refers to the ease and efficiency with which one can navigate or travel from class A to class B.

This could involve physical navigation through a physical space or navigating through digital information. A highly navigable or directional route from class A to class B would involve clear signage, well-lit pathways, and minimal obstacles or barriers. In the context of digital information, it would involve a clear and intuitive interface that guides users towards their desired destination. Overall, directionality or navigability is crucial for ensuring a positive user experience and achieving successful outcomes. Directionality or Navigability from class A to class B refers to the ease and efficiency with which one can navigate or travel from class A to class B.

Learn more about directionality :

https://brainly.com/question/11238092

#SPJ11

In a countercurrent exchange mechanism, two fluids flow in _____ direction(s). This causes gas exchange between the two fluids to be _____.

A) opposite; be able to reach equilibrium faster
B) the same; decreased
C) the same; enhanced
D) opposite; enhanced
E) opposite; decreased

Answers

d is the best way for you

8. Determine whether each statement in the table below is true or false. Write your decision in the "True or
False?" column.
Statement
Innate immune cells can distinguish between specific types of viruses and
bacteria.
Innate immune cells can activate adaptive immune cells.
The innate immune response provides longer-lasting protection than the
adaptive response.
The innate immune response includes phagocytes and proteins.
True or False?

Answers

false,true,false,true

• In order to determine if mutations from different organisms that exhibit the same phenotype are allelic, which test would you perform? a. Test cross
b. Epistasis test
c. Complementation test
d. Allelic series test
e. Biochemical test

Answers

In order to determine if mutations from different organisms that exhibit the same phenotype are allelic, you would perform a complementation test as a complementation test helps in determining if a phenotypic change has occured in the same gene or not. option c.

The complementation test is used to determine if mutations that affect the same phenotype occur in the same gene (i.e., are allelic) or in different genes. In this test, two individuals with the same phenotype resulting from different mutations are crossed to produce offspring. If the offspring also exhibit the same phenotype, then the mutations are considered non-complementing and are likely to be allelic. If the offspring do not exhibit the phenotype, then the mutations are considered complementing and are likely to be in different genes. Hence option C is correct.

In a test cross, a heterozygous individual is crossed with a homozygous recessive individual to determine the genotype of the heterozygote. An epistasis test is used to determine whether one gene affects the expression of another gene. An allelic series test is used to determine whether different alleles of the same gene have different effects on the phenotype. Biochemical tests are used to identify specific metabolic pathways and enzymes involved in those pathways. Hence, all these options are not correct.

To learn more about mutations, click here:

https://brainly.com/question/17130462

#SPJ11

Chapter 1 considered the theory of the inheritance of acquired characteristics and noted that this theory is no longer accepted. Is the central dogma consistent with the theory of the inheritance of acquired characteristics?

Answers

No, the central dogma of molecular biology is not consistent with the theory of the inheritance of acquired characteristics.

The central dogma, which describes the flow of genetic information from DNA to RNA to protein, is based on the idea that genetic information is encoded in DNA and is passed down through generations in a unidirectional manner. It does not support the concept that acquired characteristics during an organism's lifetime can be inherited by its offspring.

According to the central dogma, changes in an organism's traits or characteristics are primarily determined by alterations in its DNA sequence through genetic mutations, which occur randomly and can be passed on to subsequent generations through reproduction. Acquired characteristics during an organism's lifetime, such as changes due to environmental factors or behaviors, are not encoded in its DNA and therefore cannot be inherited by offspring in the sense proposed by the theory of the inheritance of acquired characteristics.

Learn more about “ central dogma “ visit here;

https://brainly.com/question/16580285

#SPJ4

Most of the functions of a cell membrane, including transport and enzymatic function, are performed by
A. glycolipids.
B. cholesterol.
C. proteins.
D. phospholipids.

Answers

D. Phospholipids. The cell membrane is composed mainly of phospholipids, which form a bilayer that separates the inside of the cell from the outside. The phospholipid bilayer provides a barrier that regulates the movement of substances into and out of the cell.

Proteins embedded in the membrane perform various functions, including transport and enzymatic activity, but they rely on the phospholipids to provide the basic structure of the membrane. Cholesterol also plays a role in maintaining the integrity of the cell membrane. Glycolipids, which are composed of carbohydrates and lipids, are primarily involved in cell recognition and signaling, rather than transport or enzymatic function.

Learn more about Phospholipids here: brainly.com/question/14949280

#SPJ11

When genotypes at one locus of a chromosome are nonrandomly associated with the genotypes at another locus of the same chromosome, the two loci are ________.
A) in linkage equilibrium
B) in linkage disequilibrium
C) nonrandomly associated
D) None of the above.

Answers

B) in linkage disequilibrium

The non-random connection of alleles at two or more loci on a chromosome is known as linkage disequilibrium (LD). The frequency of haplotypes (combinations of alleles at the two loci) observed in the population differs from what would be anticipated if the alleles were assorting separately when two loci are in LD.

The physical closeness of the loci on the chromosome, population history, and natural selection are only a few causes of LD. Many fields of genetics, including as genetic mapping, evolutionary biology, and disease genetics, depend on LD.

learn more about linkage disequilibrium here:

https://brainly.com/question/30885355

#SPJ11

When does flail chest usually occur?

Answers

Flail chest usually occurs when a segment of the rib cage becomes detached from the rest of the chest wall due to multiple rib fractures.

This condition can result from significant blunt force trauma to the chest, such as in a car accident, a fall from a height, or an assault. The detached segment becomes unstable, moving in the opposite direction of the rest of the chest wall during respiration. This paradoxical movement impairs lung function, making it difficult to breathe and potentially leading to life-threatening complications, such as a tension pneumothorax or respiratory failure.

Immediate medical attention and stabilization are crucial for the management of flail chest to ensure proper lung function and to prevent further complications. Treatment options may include pain management, oxygen therapy, mechanical ventilation, or surgical fixation, depending on the severity of the injury and the patient's overall condition. Flail chest usually occurs when a segment of the rib cage becomes detached from the rest of the chest wall due to multiple rib fractures.

Learn more about respiration at:

https://brainly.com/question/29760658

#SPJ11

Can someone help me with these questions please? I’ll mark you brainliest if you answer

1. Determine whether or not the trait is sex-linked or autos, and whether the trait it dominate or recessive

2. Why can’t we determine who are carriers in generation III?

3. From which parent did the second generation children inherit sickle cell anemia?

4. Choose dominant or recessive. Carriers are only depicted in pedigrees that include _____

Answers

Answer:

1. autos, and recessive because the parents in Generation I were unaffected but their children were affected somehow.

2. They all have an affected relative even if they weren't affected.

3. father

4. dominant

hope this helps ;)

which of the following are true related to bacteriorhodopsin? select all that apply. question 2 options: a) its function depends on the presence of the co-enzyme retinal. b) it is found in the inner mitochondrial membrane. g

Answers

Bacteriorhodopsin forms chains, which contain retinal molecule within, it is the retinal molecule that absorbs a photon from light, it then changes the confirmation of the nearby Bacteriorhodopsin protein, allowing it to act as a proton pump.

The presence of the co-enzyme retinal.be happy to help you with your question. Based on the provided options for question 2 related to bacteriorhodopsin function depends on the presence of the co-enzyme retinal: This statement is true. Bacteriorhodopsin is a light-driven proton pump that relies on retinal, a chromophore covalently bound to the protein, to absorb light and undergo a conformational change. This change allows for the translocation of protons across the membrane. It is found in the inner mitochondrial membrane: This statement is false. Bacteriorhodopsin is found in the membrane of a specific group of archaea called halobacteria, not in the inner mitochondrial membrane of eukaryotic cells.

learn more about bacteriorhodopsin here

https://brainly.com/question/30738489


#SPJ11

. define circadian rhythm and explain what happens when an organism is artificially maintained in a constant environment.

Answers

Circadian rhythm refers to the 24-hour cycle of physiological and behavioral changes that many living organisms experience in response to environmental cues, particularly changes in light and dark.

These rhythms are controlled by an internal "biological clock" that is present in many cells and tissues throughout the body, but particularly in a region of the brain called the suprachiasmatic nucleus.

When an organism is artificially maintained in a constant environment, such as constant darkness or constant light, its circadian rhythms may become disrupted.  This can lead to a variety of physiological and behavioral changes, such as altered sleep patterns, changes in hormone production, and changes in metabolism.

Similarly, if an animal is exposed to constant light, its biological clock may also become disrupted, as it is no longer able to distinguish between light and dark cycles. This can lead to similar changes in physiological and behavioral patterns as those seen in constant darkness.

However, it is worth noting that the exact effects of being artificially maintained in a constant environment can vary depending on the specific organism and the nature of the environmental manipulation. In general, though, disruptions to circadian rhythms can have a range of negative effects on an organism's health and well-being, highlighting the importance of maintaining regular daily cycles of light and dark in natural environments.

To learn more about Circadian rhythm visit

https://brainly.com/question/31067021

#SPJ4

Characteristics of animal genitalia or plant floral structures which make mating with other species impossible are forms of _____ isolation.
A) habitat
B) gamete
C) temporal
D) mechanical

Answers

Characteristics of animal genitalia or plant floral structures which make mating with other species impossible are forms of _____ isolation.

A) habitat

B) gamete

C) temporal

D) mechanical

Characteristics of animal genitalia or plant floral structures which make mating with other species impossible are forms of mechanical isolation.

Mechanical isolation refers to physical differences in genitalia or floral structures that prevent mating or pollination between different species. These differences can include variations in size, shape, or position of reproductive structures, as well as other physical barriers.

For example, in animals, the size and shape of the genitalia may differ between species, making it difficult or impossible for individuals of different species to mate successfully. Similarly, in plants, the shape and position of floral structures may differ, preventing pollen transfer between different species. Mechanical isolation is one of several types of reproductive isolation that can lead to speciation and the formation of new species.

Learn more about mechanical isolation.

https://brainly.com/question/12385999

#SPJ4

An insect that has the genotype EeGGcc will have the same phenotype as an insect with the genotype _____
EEGgcc (Individuals with one or two dominant alleles of a gene are indistinguishable, so EE and Ee have the same phenotype, as do GG and Gg.)

Answers

An insect with the genotype EeGGcc will have the same phenotype as an insect with the genotype EEGgcc.

The phenotype of an insect with the genotype EeGGcc is the same as that of an insect with the genotype EEGgcc.

The genotype EeGGcc refers to an insect that is heterozygous for the Ee and GG alleles, and homozygous recessive for the cc allele.

Because people with one or two dominant alleles of a gene are indistinguishable, EE and Ee share the same phenotype. In this scenario, the dominant allele E determines the identical phenotype in both Ee and EEGg.

Furthermore, because both insects have the recessive allele cc, they will have the same phenotype for that attribute.

For such more question on genotype:

https://brainly.com/question/30460326

#SPJ11

The ________ inhibit the apneustic centers and promote passive or active exhalation.

Answers

The pneumotaxic centers inhibit the apneustic centers and promote passive or active exhalation.

The pneumotaxic and apneustic centers are located in the pons, a part of the brainstem. The main function of the pneumotaxic center is to regulate the depth and frequency of breathing by sending inhibitory signals to the apneustic center and the medulla oblongata, which controls the respiratory rhythm.

When the pneumotaxic center sends inhibitory signals, it stops the apneustic center from continuously stimulating the inspiratory neurons. This results in shorter and more rapid breaths, as well as initiating the exhalation process. The active exhalation involves contraction of the internal intercostal and abdominal muscles, while passive exhalation is a more relaxed process that relies on the natural elastic recoil of the lungs and chest wall.

The balance between the pneumotaxic and apneustic centers ensures that the body maintains a proper breathing rhythm to effectively exchange oxygen and carbon dioxide in the lungs. This is crucial for maintaining optimal blood oxygen levels and preventing respiratory-related issues. In summary, the pneumotaxic centers play a vital role in controlling the respiratory system by inhibiting the apneustic centers and promoting passive or active exhalation.

Learn more about pneumotaxic center here: https://brainly.com/question/12977919

#SPJ11

Your friend is poking your skin with two pins a few millimeters apart at the same time. Visually, you can see there are two pins, but you can only feel a single pen poke. This is probably because: A both pens are activating the same receptor. B both afferent neurons converge on the same interneuron. C the receptors in both skin areas utilize the same afferent neuron. D both sensations are grouped together in the somatosensory cortex.

Answers

When your friend pokes your skin with two pins, the receptors in the skin send signals to afferent neurons both afferent neurons converge on the same interneuron. The correct answer is option B.

However, these neurons converge on the same interneuron in the spinal cord, which then sends a signal to the brain.

As a result, the brain perceives the sensation as a single poke, even though there were two pins.

This is known as spatial summation, where multiple stimuli are perceived as a single sensation because they are close together and activate the same afferent neuron.

To know more about receptors here

https://brainly.com/question/11985070

#SPJ11

Question 71
Rats have an extremely keen sense of sight but very poor taste and smelling ability.
a. True
b. False

Answers

Rats have an extremely keen sense of sight but very poor taste and smelling ability is False.

Rats actually have a relatively poor sense of vision and are often considered to be dichromatic, meaning they can only see shades of blue and green.

However, they have an extremely keen sense of smell and taste, which they rely on heavily for finding food and detecting predators. Rats also have an excellent sense of touch, which allows them to navigate their environment and detect changes in their surroundings.

To know more about Rats. here

https://brainly.com/question/27886755

#SPJ4

The _____ is a conglomeration of billions of cells specifically designed to provide a communication network within the human body.

Answers

The nervous system is a conglomeration of billions of cells specifically designed to provide a communication network within the human body.

The nervous system is responsible for the transmission of information between various parts of the body and the brain cells, and controls many physiological processes such as movement, sensation, perception, and cognition.

The nervous system is divided into two main parts: the central nervous system (CNS), which includes the brain and spinal cord, and the peripheral nervous system (PNS), which includes all the nerves that branch out from the CNS and extend to the rest of the body.

Together, these two systems work together to ensure the proper functioning of the human body.

To learn more about nervous system, click here:

https://brainly.com/question/29355295

#SPJ11

Which component required for prokaryotic DNA replication is not involved in "unwinding" the DNA template?

Answers

RNA primase component required for prokaryotic DNA replication is not involved in "unwinding" the DNA template.

The double-stranded DNA template has to be "unwound" during bacterial DNA replication in order to reveal the single strands and for replication to take place. The helicase enzyme does this by releasing the hydrogen bonds holding the two strands of DNA together and separating them. Topoisomerases and other proteins like single-strand binding proteins also contribute to this process. Short RNA primers are created on the single-stranded DNA template by an enzyme called RNA primase, which is also involved in DNA replication. These primers provide DNA polymerase a place to start when creating new DNA strands. Despite playing a crucial role in DNA replication, RNA primase is not directly responsible for "unwinding" the DNA template.

learn more about DNA template here:

https://brainly.com/question/31109843

#SPJ11

What are the microscopic structural subunits of the liver?
Hepatic lobules
Hepatic lobes
Hepatic sinusoids
Hepatic nephrons

Answers

The microscopic structural subunits of the liver are hepatic lobules and hepatic sinusoids, the correct options are (a) and (c).

Hepatic lobules are hexagonal-shaped structures consisting of hepatocytes arranged in a radial pattern around a central vein. They are the basic functional units of the liver and perform many vital functions, including metabolism, detoxification, and bile secretion.

Hepatic sinusoids are small blood vessels located between the hepatocytes that receive blood from the hepatic artery and the portal vein. They play a critical role in the exchange of oxygen, nutrients, and waste products between the blood and the hepatocytes, the correct options are (a) and (c).

To learn more about hepatic follow the link:

https://brainly.com/question/29655525

#SPJ4

The complete question is:

What are the microscopic structural subunits of the liver?

a. Hepatic lobules

b. Hepatic lobes

c. Hepatic sinusoids

d. Hepatic nephrons

How are dna sequences used to determine ancestry in molecules biology

Answers

Answer:

two species who have genes and proteins with sequences that match closely can conclude that the sequences must have been inherited from a relatively recent common ancestor; the greater the number of differences in DNA and protein sequences, the less likely they share as close a common ancestry

Explanation:

:D

Other Questions
the process where most new inmates absorb the customs of prison society and learn to adapt to the environment is referred to as: group of answer choices institutionalization prisonization value acceptance indoctrination Three-fourths of a number less than 6 is 10 formula Select each procedure that could harm the computer and cause it to work improperly.Download software from the Internet without permission.Turn the power off on the computer before shutting down.Set your water bottle near electronics.Wash your hands thoroughly before using the computer.Gently type on the keyboard. Question 78Which one of the following statements about cadmium is false?a. it is used in production of pigmentsb. it helps the body metabolize calciumc. it may be found in tobacco plantsd. it readily bioaccumulates calculate the buoyant force (in n) on a 2.90 l helium balloon. 0.037 correct: your answer is correct. n (upward) (b) given the mass of the rubber in the balloon is 1.10 g, what is the net vertical force (in n) on the balloon if it is let go? you can neglect the volume of the rubber. 2. Describe the disintegration of the Western Roman Empire. What resulted in the disintegration? What kind of people took over? How was their way of life different than the Roman's before them? ? Consider two firms with the following marginal abatement costs (MAC) as a function of emissions (E): MAC1 = 11 - 2E1 , MAC2 = 7 - E2, and assume marginal external damages (MED) from the aggregate emissions of both firms (EAgg = E1 + E2) is: MED = EAgg. Total abatement costs (TAC) for both firms at the socially efficient level of aggregate emissions is _______ (round your answer to the nearest integer): When addressing an RES instruction, it must be addressed to:a. a TOF instruction.b. a TON instruction.anyc. any address other than the of the RTO instruction.d. the same address as that of the RTO instruction. Who were the targeted audience for this speech? How do you know? Speech to the Ohio womens conference: aint I a women c) What if nonconservative forces, such as friction, also act within the system? In that case, the total mechanical energy will change. The law of conservation of energy is then written as The monthly rents (in dollars) paid by 10 people are given below. (Note that these are already ordered from least to greatest) 905, 940, 955, 965, 1020, 1040, 1045, 1085, 1090, 1105 Send data to calculator Suppose that one of the people moves. His rent changes from $905 to $ 1055 Answer the following (a) What happens to the mean ? decreases by It increases by s Box It stays the same . (b) What happens to the median ? It decreases by s It increases by It stays the same . Joseph, an international exchange student from Germany, is the newest member of an intramural softball team at his school. He has never been part of an organized team before, so he asks a teammate for advice about how he should act according to the generally accepted rules, procedures, and etiquette. What are five pieces of advice the teammate can offer Joseph to help him act appropriately? t1Question 6 (2 points)When cooking rice, the grain is 1/2 of the part to water. Write the ratio thatrepresents this.Rice:Water = 2:1Water:Ratio = 1:2Rice:Water = 1:2Question 7 (2 points) Saved Question 1 of 20What is an example of a prop that would be helpful for a presentation aboutthe risks of vaping?A. A large photo of a lung damaged by vapingB. A slide show with video of people in a vape storeC. An impassioned plea to not get addicted to vapingD. A poster with charts showing the increase in teen vaping in thelast ten years On the home front, US involvement in WWII brought about...A. increased labor violenceB. increased spending on consumer goodsC. increased employment of womenD. strict limits on corporate profitsE. an end to deficit spending by the federal government an increase in government spending a. shifts the lm curve down and to the right. b. shifts the lm curve up and to the left. c. does not shift the lm curve. To reset a retentive timer, the:a. AC time must be greater than the PR time.b. PR time must be greater than the AC time.c. AC time must equal the PR time.d. none of these. Under which of the following inventory costing methods is the ending inventory valued on the cost of the most recent purchases?a) First-In, First-Out.b) Weighted-average.c) Last-In, First-Out.d) Specific Identification. in addition to carbon dioxide and water state two other conditions necessary for photosynthesis? In a competitive market, the effect of a binding price ceilingon the market outcome is:increase price, increase quantitydecrease price, increase quantityincrease price, decrease qua