Answer:
yes bevause
Explanation:
Choose all that apply
Answer:
plasmids
b/c it can't have those 4 things
Original DNA Code: TAC ACC TTG GCG ACG ACT
Mutated DNA Code: TAC TCC TTG GCG ACG ACT
O Substitution
O Insertion
O Deletion
Answer:
The answer is (A) - Substitution
in the last few decades, the use of antibiotics and antibacterial cleaning products has increased. what consequences are being seen now as a result of the overuse or misuse of antibiotics?
consequences of the overuse or misuse of antibiotics.
Sir Alexander Fleming first mentioned the issue of antibiotic misuse in 1945 when he predicted that "the public would desire [the medicine] and thereafter usher in an era of excesses." Antibiotic usage undoubtedly promotes the emergence of resistance. Epidemiological research has shown a link between the use of antibiotics and the establishment and spread of resistant bacterial species. Genes in bacteria can be inherited from close relatives or acquired from unrelated individuals via mobile genetic components like plasmids. Through this horizontal gene transfer (HGT), antibiotic resistance may spread between several bacterial species.Additionally, resistance can evolve on its own through mutation. Drug-sensitive rivals are eliminated by antibiotics, leaving drug-resistant microorganisms remaining to proliferate through natural selection. Worldwide, antibiotics are overprescribed despite warnings against overuse.To know more about Antibiotic visit : https://brainly.com/question/17988226
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If the dna content of a diploid cell in the g1 phase of the cell cycle is x , then the dna content of the same cell at metaphase of meiosis i will be.
If DNA content of a diploid cell in the g1 phase of the cell cycle is x , then DNA content of the same cell at metaphase of meiosis I will be double that is 2X
The DNA content is duplicated after G1 PHASE IN S phase therefore DNA content during the meiosis I would double that is 2X.
The DNA content of a cell in the G1 phase is 2N, known as diploid. DNA content of a cell in the G2 phase is 4N that is tetraploid. The DNA content of a cell in the S phase varies between 2N and 4N depending completely on the stage of cell replication.
14 chromosomes are present in G1phase initially. In S phase, there is no change in number of chromosomes. Therefore, 14 chromosomes is present again. There is no change at the beginning of M phase.
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prokaryotes divide by binary fission, a form of asexual reproduction in which?
Answer:
Prokaryotic cells can reproduce asexually only through binary fission. Binary fission is the process by which a bacterial cell splits into two identical daughter cells. This is a very fast process and contributes to the rapid growth and replication of bacteria.
Explanation:
Answer:
I agree with the person above this question ^^^^
If the conservative model had been correct, how many generations of bacterial cell division would have had to pass before meselson and stahl would have observed evidence of a band in the cscl gradient corresponding to a hybrid dna molecule containing both 14n and 15n?.
DNA from the first generation has strands that are 15N/14N,One form of DNA in the second generation contains 15N/14N strands, whereas the other type has 14N/14N strands.
Explanation:
One strand of the parental type and another newly generated strand that is formed during DNA replication are both present in the newly formed dsDNA after replication. Semi-conservative DNA replication uses two strands, one of which is paternal and the other fresh.
E. coli was cultured on 14N media and already has DNA that has been tagged with 15N and 15N.Accordingly, during DNA replication, the first generation contains hybrid 15N/14N DNA, wherein one strand (15N) is inherited from the parents and the other (14N) is freshly generated, and the second generation has both hybrid 15N/14N DNA and 14N/14N DNA. It was not possible to find any DNA with 15N/15N strands.
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when horses and donkeys mate, their offspring are mules. mules are sterile because they cannot produce functional gametes. this is evidence that: (select the best answer)group of answer choiceshorses and donkeys are separated by a prezygotic barrier.horses and donkeys are separated by genetic drift.horses and donkeys are members of the same species.horses and donkeys are separated by a postzygotic barrier.horses and donkeys are separated by a founder event.flag question: question 2
Mules are the offspring of a horse and a donkey. Mules are sterile, making them ineffective for further reproduction. This proves that a zygote can be produced when a horse and a donkey mate.
An egg cell and sperm cell combine to form a zygote, a brand-new, distinct organism. The zygote in single-celled organisms can split asexually through mitosis to create identical progeny. This produces Mules, albeit this zygote result is not sterile.
Aseptic — germ-free — and sterile are synonyms. Although it's most frequently used in relation to objects and materials like scalpels, needles, and gauze as well as settings like operating rooms. The ability of modern medicine to stop infections and the spread of disease depends on the cleanliness of objects. This is known as sterile.
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In the Northern Hemisphere, climate scientists observe seasonal changes in carbon dioxide concentration with the highest levels measured in May and the lowest levels measured in October. Hypothesize how photosynthesis can affect these changes. Explain your answer in three to five sentences
A plausible hypothesis associated with seasonal changes in carbon dioxide concentration being the highest levels measured in May and the lowest levels measured in October is that the rate of photosynthesis will be higher in May because carbon dioxide is a reactant.
What is the rate of photosynthesis?The rate of photosynthesis refers to the amount of photosynthetic products that are generated in a given unit of time, which are generally measured as units of biomass both for plants and algae.
The rate of photosynthesis depends on the presence of reactants for this process which includes sun light and also carbon dioxide, which is a fundamental substance in order to produce carbohydrates during this process.
Therefore, with this data, we can see that carbon dioxide is a reactant of photosynthesis and therefore its concentration is fundamental to carry out this process.
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Which one of the following is NOT part of the Cell Theory?
Group of answer choices
The cell is the basic unit of life for living organisms
All cells contain a nucleus
All cells come from existing cells
All living organisms are composed of one or more cells
To what extent do you think income level will determine a person’s access to medical treatments involving bio-technology?
Healthcare professionals can stay in touch via email smartphones SMS and more. Doctors no longer need to send letters to patients reminding them of appointments or tests. Technology has made all of this much easier and much cheaper.
The benefits of healthcare information technology IT include facilitating communication between healthcare providers. Improving drug safety tracking and reporting. Improve the quality of care by improving access to and adherence to guidelines. Intelligent technology streamlines the claims process, significantly reducing costs and dramatically reducing processing times.
This Bio-technology can automate the data collection and communication process while proving the events leading to a claim. The result is lower healthcare costs and a better customer experience. People with poor health are often unable to go to work which can significantly reduce or even affect their income. Health prolongs life.
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this ecg indicates an issue with which electrical node(s) and/or mechanical event(s)? (select all that apply). a. sinoatrial node b. ventricular systole c. atrial relaxation d. atrial depolarization e. purkinje fibers f. atrioventricular node
Option A, B, E,F; sinoatrial node,ventricular systole,purkinje fibers and atrioventricular node all indicate an issue with electrical and/or mechanical events.
Specialized pacemaker cells in the heart initiate the electrical depolarization and repolarization sequence. The term "inherent rhythmicity" or "automatity" refers to this characteristic of heart tissue. The atrioventricular node (AV node), the bundle of His, the right and left bundle branches, and Purkinje fibers are some of the conducting channels through which the electrical signal, which is produced by the sinoatrial node (SA node), spreads to the ventricular muscle.
The contractile cells constrict when the electrical signal of a depolarization reaches them. The cardiac cells relax when the repolarization signal reaches them. Thus, the mechanical heart beating is a result of electrical signals. The SA node starts each electrical and mechanical cycle as the heart's natural pacemaker. The electrical impulse that travels through the atrial muscle as the SA node depolarizes causes the muscle to contract.
Atrial contraction follows the depolarization of the SA node as a result. The internodal fibers also allow the SA node impulse to reach the atrioventricular node (AV node). (Because of the nonconducting tissue dividing the atria and ventricles, the wave of depolarization does not immediately extend to the ventricles.) When the atria contract, the electrical signal is delayed in the AV node for around 0.20 seconds before being transmitted to the ventricles by the Purkinje fibers, right and left bundle branches, and bundle of His.
The electrical impulse is transmitted directly to the ventricular muscle by the Purkinje fibers, which causes the ventricles to contract (ventricular systole). Additionally, the atria and ventricles undergo repolarization of the SA node, kicking off the relaxation phase (ventricular diastole).
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What are the names of these two sedimentary rocks?
the cholesterol synthesized by cells uses which component of the glycolytic pathway as a starting point? glucose acetyl coa pyruvate carbon dioxide
Glucose component of the glycolytic pathway as a starting point.
The chemical formula for glucose is C6H12O6, making it a simple sugar. The most common type of monosaccharide, a subclass of carbohydrates, is glucose. The most prevalent carbohydrate in the world, cellulose, is created primarily by plants and the majority of algae during photosynthesis from water and carbon dioxide. This process uses energy from sunlight.
Throughout all organisms' energy metabolism, glucose is by far the most significant energy source. In both plants and animals, glucose is stored as a polymer, mostly as starch and amylopectin in plants. Animals' blood contains glucose, which circulates as blood sugar. D-glucose, which occurs naturally, is more physiologically active than l-glucose, which is manufactured synthetically in much smaller quantities.
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Characterize the slope of the line in the graph,
A. Positive
B. Negative
C. Zero
D. Undefined
Apricots, butternut squash, cantaloupe, carrots, mangoes, peaches, pumpkin, and sweet potatoes are rich in.
Apricots, butternut squash, cantaloupe, carrots, mangoes, peaches, pumpkin, and sweet potatoes are rich in Beta-carotene.
Beta-carotene is a pigment observed in flora that offers them their caseation. The call beta-carotene is derived from the Latin call for carrot. It offers yellow and orange culmination and greens their wealthy hues. Beta-carotene is likewise used to caseation ingredients consisting of margarine.
In the frame, beta-carotene converts into nutrition A (retinol). We want nutrition A for true imaginative and prescient and eye health, for a robust immune system, and for wholesome pores and skin and mucous membranes.
Taking large doses of nutrition A may be toxic, however your frame most effective converts as an awful lot nutrition A from beta-carotene because it needs. That method beta-carotene is taken into consideration a secure supply of nutrition A.
However, an excessive amount of beta-carotene may be risky for folks that smoke. Getting excessive quantities of both nutrition A or beta-carotene from food, now no longer from supplements, is secure.
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In the rock cycle, the geosphere and the
interact when rock particles are transported by a flowing river. The geosphere and the
interact when dead organic matter gets mixed with layers of sediments.
According to the research, the correct terms to complete the text are Hydrosphere and biosphere. In the rock cycle, the geosphere and the hydrosphere interact when rock particles are transported by a flowing river. The geosphere and the biosphere interact when dead organic matter gets mixed with layers of sediments.
What is the rock cycle?It is a series of geological processes by which one of the three large groups of rocks from the generation of magma inside the Earth melting the pre-existing rocks.
In this sense, the external dynamics, caused by solar energy and gravity, aims to model said rocks, this modeling is achieved thanks to the action of geological agents (biosphere, hydrosphere and geosphere).
Therefore, we can conclude that in the rock cycle, through the interaction of the geosphere, the hydrosphere and the biosphere, the different rock particles emerge and materialize.
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Which respiratory function describes the exchange of oxygen and carbon dioxide in the cells?.
Internal and external respiration describes the exchange of oxygen and carbon dioxide in the cells.
What is respiration?
The lungs and breathing system make it possible for us to take in air. They take in oxygen (called "inspiration" or "inhalation") and let out carbon dioxide (called "exhalation") (called expiration, or exhalation).
Respiration is the exchange of oxygen and carbon dioxide.
The process of breathing is known as external respiration. It requires taking in and letting out breaths of various gases. Gas is exchanged between the blood and the cells of the body during the process known as "internal respiration." The process of cellular respiration is the transformation of food into energy.
Hence, internal and external respiration is responsible for the exchange of oxygen and carbon dioxide.
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The law of conservation of matter means to "preserve". Which of the
following are explained by conservation of matter?
The C, H, O and electrons are not infinite and must be recycled
Why the products of Photosynthesis are the reactants of cellular respiration.
the necessity to study the respiratory system along with the circulatory system.
sity to
O All of the above are correct
Answer:all of the above
Explanation:
All the above statements explain the law of conservation of matter.
Explain the law of conservation of matter.
It states that the amount of matter in any given system that is closed to matter transfer remains constant. According to the law of conservation of matter, the total mass of the products must equal the total mass of the reactants in chemical reactions.
1. The C, H, O, and electrons are not infinite and must be recycled
Since these electrons are not biodegradable, they remain in nature and are recycled in different biological and environmental processes.
2. Why the products of Photosynthesis are the reactants of cellular respiration?
Water and carbon dioxide are byproducts of the process, and ATP is the energy that is transformed into cellular respiration.
3. The necessity to study the respiratory system along with the circulatory system.
The respiratory system collaborates with the circulatory system to provide oxygen and remove metabolic waste products.
Therefore, the law of conservation of energy applies to all the processes stated above.
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Where are the instructions that tell the cell everything it needs to survive?
what is the chance that among the three children in generation ii who have the dominant phenotype, one of them is aa and two of them are aa ? (hint: consider all possible orders of genotypes.)
The other three children are having dominant phenotype but only one among them is homozygous dominant. The chances of the child becoming AA is 0.25 and that of Aa is 0.50.
The phrases homozygous and heterozygous are used to characterize allele pairings. Homozygous people have two copies of the same allele (RR or rr). Individual organisms with several alleles (Rr) are referred to as heterozygous. Those who have the genotypes AA and aa are homozygotes (i.e., they have two copies of the same allele). Genotype Aa individuals are heterozygotes (i.e., they have two different alleles at the A locus).An organism is considered to be homozygous dominant if it carries the same dominant allele in two copies, and homozygous recessive if it carries the same recessive gene in two copies. If a gene has two different alleles, an organism is said to be heterozygous. Homo- means the same, but hetero- denotes difference. A specific zygote type is referred described as being -zygous.
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what might an engineer need to consider when designing a heating/cooling system for a home in a cooler climate?
How might the design differ for a house found in a warmer climate?
an engineer need to consider
The Operating EnvironmentSize Does MatterAvailable PowerFiltrationThe term HVAC refers to the many systems used for heating, cooling, and transporting air between interior and outdoor spaces in both residential and commercial structures. These are the mechanisms that keep you comfortable and warm in the winter and cool and energized in the summer. A source of warm or cold air, a mechanism to transfer the heated or cooled air into your living area, and a technique to regulate the temperature in your house make up the three fundamental components of heating and cooling systems.
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Which respiratory function describes the exchange of oxygen and carbon dioxide in the cells?.
Respiration is the respiratory function that describes the exchange of oxygen and carbon dioxide in the cells.
Our lungs and respiratory system allow us to breathe. They expel carbon dioxide and inspire oxygen into our bodies, a process known as inspiration or inhalation (called expiration, or exhalation). Oxygen and carbon dioxide are exchanged during the breathing process.
Physiology defines respiration as the removal of carbon dioxide in the opposite direction, that is, back into the external environment, and the transfer of oxygen from the external environment to the cells within tissues.
While physiologic respiration deals with the diffusion and transfer of metabolites between the body and the external environment, cellular respiration occur within specific cells of the organism.
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Explain the following statement: The oxygen generated by photosynthesis is simply a by-product formed during the production of ATP and carbohydrates.
The oxygen generated by photosynthesis is simply a by-product formed during the production of ATP and carbohydrates because oxygen emerges as a product that is not used by plants to further metabolic processes instead of carbohydrates and ATP.
What is photosynthesis?Photosynthesis can be defined as a natural process in which plants used carbon dioxide and sun light as reactants in order to generate simple carbohydrates such as glucose and also ATP, which is the energy coin of the cells.
During photosynthetic pathways oxygen is produced but this element is not used after its production, thereby it can be considered as a byproduct of this pathway.
Therefore, with this data, we can see that photosynthesis can produce oxygen as a byproduct which is fundamental to sustaining the life of aerobic heterotrophic animals and humans because oxygen is a reactant required for cellular respiration in aerobic organisms.
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Collagen is a protein found in several multicellular organisms, including
humans. Which of the following best describes the function of collagen?
A creates genetic information in cells
B builds important cellular structures.
C releases energy for short-term use
D helps to insulate against low temperatures
Answer: B builds important cellular structures
Explanation:
Collagen is a protein that provides structural support to extracellular space in connective tissues.
A is wrong because it has nothing to do with creating genetic information.
B is correct
C is wrong because collagen's purpose is not to provide energy.
D is wrong because this protein does not function to insulate against low temperatures.
During pcr, where does the energy come from that adds the nucleotide to the growing dna strand?.
During pcr, the energy comes from the incoming nucleotides, that adds the nucleotide to the growing dna strand.
What are nucleotides?
An biological molecule known as a nucleotide has the fundamental building blocks of a nitrogenous base, pentose sugar, and phosphate.
As polynucleotides, DNA and RNA are composed of a chain of monomers with various nitrogenous bases. The execution of metabolic and physiological processes requires nucleotides.
Adenosine triphosphate, or ATP, serves as the energy standard for cells. Numerous metabolic activities require nucleotides, which combine to generate a variety of coenzymes and cofactors such coenzyme A, NAD, NADP, and others.
Therefore, the energy that adds the nucleotide to the growing Dna strand comes from the incoming nucleotides.
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6.01 earth space science
Answer:
6.01 Geological Time Scale
Reflection
How long (in centimeters and years) was the Precambrian period compared to the rest of the scale?
The Precambrian period was the longest period on the timeline. It lasted approximately from 4.6 billion years ago to 543 million years ago. It was characterized by the formation of space
How many years and “centimeters” of time separated the dinosaurs and humans on Earth?
Dinosaurs existed during the Mesozoic Era, while humans existed during the Cenozoic Era. They were approximately 65 million years apart.
How many years and centimeters of time passed before life appeared on Earth?
Humans appeared around 6 million years ago, however aquatic life was the first to exist. This was during the Paleozoic Era around 3.7 billion years ago!
For how many years of geologic time have humans existed?
Around 200,00 years.
Did dinosaurs exist at the same time as mammals? Explain your answer using the geologic time scale.
No, dinosaurs died out before mammals. We know this since the first sign of mammals was the Cenozoic Era, but dinosaurs existed in the Mesozoic Era which was several million years later.
By: Nikayla Bodon
Mesozoic Era
Triassic Period: 210-251 mya
Jurrassic Period: 145-210 mya
Cretaceous Period: 65-145 mya
The Precambrian Era
During the Mesozoic Era, big creatures such as dinosaurs roamed the Earth. You may have heard the name Jurrassic from the movie Jurrassic park, however this was a reality back then with creatures such as Velociraptor, Apatosaurus, Stegosaurus, and Triceratops roaming the Earth.
Cenozoic Era
Teritary Period: 65-2.5 mya
Quantenary Period: 2.5 mya- now
This period of time is the era me and you live in today. It was the start of human life and the development of many living organisms you see today and don't!
Hadean Eon: 4.6-3.8 bya
Archean Eon: 3.8-2.5 bya
Proterozoic Eon: 2500- 543 mya
This is the eras major events include the formation of galaxies, planets, asteroids, comets, and stars, and is the earliest time period. It began around 4.6 billion years ago and is very contreversial. It consisted of the Hadean, Archean, and Proterzoic Eons.
Paleozoic Era
Cambrian Period: 500-550 mya
Ordovician Period: 438-500 mya
Silurian Period: 410-438 mya
Devonian Period: 360-410 mya
Cargoniferous Period: 290-360 mya
Permian Period: 251-290 mya
The Paleozoic Era was characterized by the formation of Pangea and known as the "Age of Fish". There several types of aquatic life
5. Maintained by nervous and chemical control.
A. Respiration B. Reproduction C. Excretion D. Regulation
6. The guard cells of a plant leaf swelling shut to prevent water loss. This
keeps the plant hydrated and prevents dehydration.
A. Respiration B. Nutrition C. Homeostasis D. Growth
7. In plants glucose is converted to a large sugar molecule known as
cellulose. In humans, glucose is converted to a large sugar molecule
known as glycogen and stored in the liver. What life function describes
these processes?
A. Growth B. Nutrition C. Homeostasis D. Synthesis
8. The life process which converts chemical energy into a usable form.
A. Reproduction B. Respiration C. Synthesis D. Homeostasis
9. In which process are simple materials chemically combined to form more
complex materials?
A. Respiration B. Reproduction C. Nutrition D. Synthesis
Respiration, excretion , regulation , respiration, homeostasis, growth are maintained by Nervous system.
What what is a neurological system?The brain, spinal cord, and an intricate web of nerves make up the nervous system. The brain and the body communicate with one another through this system. All bodily processes are under the control of the brain. The spinal cord exits the brain through the back and descends.
Nutrition , growth , homeostasis, synthesis all are life functions. Respiration , synthesis , respirations are simple materials to chemically combined to form more complex materials.To learn more about Neurological system refer
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Which summary below correctly describes what occurs during transcription?
O A DNA template is used to create an mRNA strand.
O An mRNA template is used to create a DNA strand.
O A DNA template is used to create a ribosome.
O An mRNA template is used to create a tRNA strand.
Answer: A DNA template is used to create an mRNA strand.
Explanation:
Transcription basically means a written or printed representation of something, if we connect that analogy to DNA, we are using the DNA as our template to write/create an mRNA strand out of it, basically transcribing the DNA.
If we are to be better stewards of God's creation, we must have a better understanding of plants and animals that share our world. True or false
Answer:
yes
Explanation:
Because we have to understand how plants and animals live their life and help live alongside them in harmony.
Food going through the human digestive system (generally) only moves in one direction. However, In some animals, the food goes in two direction and come out of the same opening. In which animals does this happen? Why? Why would this not work for human?
Answer:
This is known as rumination and it takes place in ruminants like cow .this happens because they are herbivore which mostly eat grass and other plants so for easy digestion the food is mostly chewed by them. This would not work for humans because our diet concisest of more variety of our diet, and there intestines are built differently than ours in order to adapt.
Explanation:
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