Homologous chromosomes carry genes controlling the same inherited characteristics carry the same.
Homologous chromosomes are matched pairs containing the same genes in equal locations alongside their period. Diploid organisms inherit one copy of every homologous chromosome from every discern; Altogether, they may be considered a complete set of chromosomes.
Homologous and non-homologous chromosomes are the 2 forms of chromosomes diagnosed primarily based on the pairing sample of chromosomes for the duration of metaphase 1 of meiosis. Homologous chromosomes discuss with the chromosomes in the identical pair even as non-homologous chromosomes check with the chromosomes in one-of-a-kind pairs.
Each chromosome from homologous chromosome pair is inherited from each discern wearing the same genes within the identical order. As they're from distinctive individuals, homologous chromosomes aren't identical.
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If a mouse and a small lizard of the same mass (both at rest) were placed in experimental chambers under identical environmental conditions, which animal would consume oxygen at a higher rate
The mouse, because it is an endotherm and therefore its basal metabolic rate is higher than the ectotherm lizard's standard metabolic rate.
What are endotherms and ectotherms?Animals classified as ectotherms and endotherms employ several techniques to control body temperature.
Endotherms are recognized as warm-blooded creatures, whereas ectotherms are also referred to as cold-blooded creatures. Ectotherms and endotherms vary primarily in that endotherms control their body temperatures by sustaining bodily functions, but ectotherms depend on external sources like sunlight to do so. Ectotherms include invertebrates, fish, amphibians, and reptiles while endotherms include mammals and birds.
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Beginning with a fertilized egg (zygote), how many cells will be present in the embryo following five rounds of cell division
When a female and male reproductive gametes fuse and fertilize to form a diploid cell is called a zygote.
The number of cells an embryo will have is 32cells.
How, explain your answer?It is a single-celled organism formed as a result of fertilization while embryos are the organism in which the division has started after zygote formation.
The division can be explained as:
The cells divide into two cells that is the number of cells doubles with every division.
The number of cells after division is represented as = n
The number of cells can be calculated by the following formula =
In the above case n = 5
So,2x2x2x2x2
Therefore, 32 cells will be produced in the early embryo.
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Which scientist's work with Streptococcus pneumoniae in the late 1920s provided early evidence that DNA was the genetic material of cells
Fred Griffith scientist's work with Streptococcus pneumoniae in the late 1920s provided early evidence that DNA was the genetic material of cells.
Who is Fred Griffith?Frederick Griffith was the first to identify bacterial transformation, in which a bacterium's structure and function change, in 1928 while working to create a pneumonia vaccine. He was researching both virulent and nonvirulent Streptococcus pneumoniae.
What is Fred Griffith experiment?In the pivotal experiment, Frederick Griffith (1928) combined live R and S that had been destroyed by heat; he then injected the mixture into mice; the animals perished. The tissues of the dead mouse contained living, smooth-coated bacteria resembling S.
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Peter and rosemary grant began studying the galapagos finches in 1973. For about 40 years, they studied the finches on daphne major. Why was this an ideal place to study the evolution of the finches?.
Peter and rosemary discovered a natural ecosystem with an extreme climate, oscillating between cycles of intense drought and abundant rainfall, as well as an uncontaminated area that had never been explored by humans. This was an excellent location to study the evolution of Galapagos finches.
For their outstanding long-term studies showing evolution in action in Galápagos finches, Peter and Rosemary Grant are renowned.They have shown that natural selection is responsible for the incredibly quick changes in body and beak size in response to variations in the availability of food.Due to the lack of predators or rivals for the finches, Daphne Major makes an excellent location for research. (The cactus finch is the only other finch on the island.) The weather, and consequently the availability of food, has a significant impact on the medium ground finch's capacity to survive.learn more about Galápagos finches here: https://brainly.com/question/960688
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Any product, substance, or organism included by its nature or by the regulation in any of the classes listed in the schedule (UN ( Classes of Hazardous Materials) is the definition of a/an:
Their are 9 class of hazardous material:
1 CLASS 1 : Explosive
2 CLASS 2 : Gases compressed, liquefied, dissolved under pressure or deeply refrigerated.
3 CLASS 3 : inflammable liquids.
4 CLASS 4 : Inflammable solids, substances liable to spontaneous combustion substances which on contact with water emit inflammable gases.
5 CLASS 5 : Oxidising substances, organic peroxides.
6 CLASS 6 : Poisonous (toxic) and Infectious substances.
7 CLASS 7 : Radioactive substance.
8 CLASS 8 : Corrosives.
9 CLASS 9 : Miscellaneous dangerous substance.
Hazardous :A hazardous material is any item or agent (biological, chemical, radiological, and/or physical) that has the ability to cause harm to humans, animals, or the environment. This could be as a result of the material by itself or interaction with other materials.
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when the kidney's own blood supply decreases, they release _ which leads to secretions of aldosterone from the adrenal cortex
When the kidney's own blood supply decreases, they release renin, which leads to secretions of aldosterone from the adrenal cortex.
Renin is an enzyme produced by certain kidney cells. It is a component of the renin-angiotensin-aldosterone system, which regulates blood pressure through a chain of reactions. Specifically, renin regulates the adrenal glands' synthesis of the hormone aldosterone.
Renin transforms angiotensinogen (a liver-produced precursor to angiotensin) into angiotensin I. Angiotensin is a hormone that causes constriction of the blood vessels.Angiotensin I is then converted to angiotensin II. Angiotensin II constricts blood vessels and promotes aldosterone release.Aldosterone helps the kidneys retain water and salt, thereby boosting the body's water content. This causes the blood pressure to rise.Learn more about renin here :
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Question 1
Part A
Can you map shape I onto shape Il by a sequence of transformations? If so, give a sequence of transformation that maps shapes l onto shape ll.
Answer:
What am I doing?where is shape I ?where is shape II ?Hope you can atleast correct this if you really need an answer.
Good luck ✅.What evidence was discovered by British researchers in the 1960's to support Wegener's theory of Continental Drift?
A. The spinning of the liquid metal outer core of Earth.
B. Semi-liquid iron and silicon in the mantle layer.
C. Mid-ocean ridges with symmetrical magnetic variations that indicates seafloor spreading.
D. Seismic waves measured on the Richter scale.
The Mid-ocean ridges with symmetrical magnetic variations that indicate seafloor spreading supports Wegener's theory of Continental Drift (Option C).
What is seafloor spreading?The seafloor spreading is a geological phenomenon when tectonic plates separate at divergent boundaries in the ocean.
This natural phenomenon (seafloor spreading) was used as evidence of Wegener's theory of Continental Drift.
In conclusion, the Mid-ocean ridges with symmetrical magnetic variations that indicate seafloor spreading supports Wegener's theory of Continental Drift.
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You have collected data on the observed genotype frequencies of the next generation. they are 60% ff, 30% ff, and 10% ff.
Yes, because the ratio of alleles is not following the Mendelian ratio.
According to Mendelian genetics, if there is a gene F at any locus then the possible phenotypes it can produce will be Ff, ff, and Ff in the ratio of 1:2:1, respectively. Out of all three FF and ff will be homozygous whereas Xx genotype will be heterozygous and if the phenotype of Ff resembles that of FF then it will be confirmed that F is dominant over f.
According to the given condition, the dominant trait (F) is increasing in the population and the recessive one is reducing. Thus, individuals with FF will be highest (60%), followed by Ff (30%). ff proportion in the population is lowest (10%). This makes the ratio as 6:3:1 which proves the evolution of the population with a high percentage of the dominant allele.
Note: The given question is incomplete but your expected question probably be like this, “Expected question: You have collected data on the observed genotype frequencies of the next generation. they are 60% FF, 30% Ff, and 10% ff. Based on these observations and your expectations, is this trait currently evolving in this population? Why or why not?”
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Water molecules can establish weak ____________ with one another because they are ____________ (have a slightly positive end and a slightly negative end). Further, water is able to adhere to ____________ tracheids and vessels.
Answer:
1.hydrogen bonds
Which of the following is NOT impacted due to mutations outside the coding sequence?
A. Beta-globin gene
B. Promoter or enhancer
C. Sequence Termination signals
D. Ribosome binding sites
Noncoding sequences do not code for amino acids and proteins. The Beta-globin gene is not impacted by the mutations in the non-coding sequence. Thus, option A is correct.
What are non-coding sequences?
Non-coding sequences or regions are the components of the organisms' genetic material that does not encode proteins. They are referred to as introns and lacks the production of amino acid.
The promoter or enhancer, Sequence Termination signals, and Ribosome binding sites are the non-coding sequences involved in gene regulation. The Beta-globin gene is coded by the coding sequence or the exons.
Therefore, the Beta-globin gene is not impacted by the mutation in the non-coding region.
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Select the correct answer.
If the contents of a cell have a solute concentration of 0.04 percent, which of these solutions would cause it to swell?
A.
10–percent solute concentration
B.
1–percent solute concentration
C.
0.1–percent solute concentration
D.
0.01–percent solute concentration
In osmosis phenomenon, water moves from the hypotonic solution to the hypertonic one. Option D is correct. 0.01–percent solute concentration.
What is osmosis?Osmosis is the phenomenon that occurs when two dilutions of different concentrations are separated by a semipermeable membrane. The membrane allows the pass of water but not solute. Hence, water can move from the most diluted side to the less diluted one.
Water tends to go from the hypotonic solution to the cell interior and keeps doing so until concentrations are equal in the cell interior and exterior.
As water enters the cell, the cell begins to enlarge and becomes bigger-sized. And because cells can not limit the amount of water moving into it, the cell keeps swelling until the membrane can not stretch anymore, and lysis occurs. It bursts.
Under natural conditions, the body regulates the extracellular fluids to avoid cells swelling until they burst.
In the exposed example, the cell have a solute concentration of 0.04 percent. For water to move into the cell, we need to find a solution with a lower solute concentration.
Among the options, the solution with 0.01 percent of solute concentration is the one that would cause water to move into the cell.
The cell content is hypertonic to the solution, and the solution is hypotonic to the cell interior.
Option D is correct. 0.01–percent solute concentration
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Passing a law to allow doctors to euthanize humans who are terminally ill, involves ethics. TRUE or FALSE?
Answer:
TRUE
Explanation:
Euthanization is a complex process which not only involves death and the feelings of the loved ones of the deceased, it also comes under the subject of human rights. Not every doctor has the right to euthanize any random terminally ill patient just because he/she wants to end the patient's suffering.
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A given organism has 46 chromosomes in its karyotype. Therefore, we can conclude that it must _____. A. be human B. be an animal C. reproduce sexually D. have gametes with 23 chromosomes
Biological membranes in cells are typically composed of 2 layers of phospholipids. Group of answer choices True False
Given statement: Biological membranes in cells are typically composed of 2 layers of phospholipids. This statement is absolutely true.
The biological membranes in cells are generally known as plasma membranes which consist of two layers of lipids, proteins, and carbohydrates. The exterior portion of the plasma membrane is a hydrophilic, polar head whereas the interior portion consists of a hydrophobic, non-polar tail.
Some proteins are attached to the surface of the membrane [peripheral proteins] whereas some proteins are found embedded in it [integral proteins]. Carbohydrates are found to be attached to the lipids or proteins on the extracellular side of the membrane, leading to the formation of glycolipids and glycoproteins.
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Arthritis and other similar diseases can cause a narrowing of the spinal foramen. The images below show a healthy spine and a spine with a narrow foramen.
Two illustrations depict healthy spinal foramen and narrow spinal foramen. The narrow spinal foramen has pinched nerve flow.
Which symptom would an individual with a narrow foramen most likely experience?
A.
poor posture from loss of tendon attachment sites
B.
lower blood pressure from increased blood flow
C.
back pain from the compressed nerves
D.
increased flexibility from the constriction of muscle
A narrow foramen can lead to increased flexibility from the constriction of muscle. Option D
What does a narrow foramen cause?A narrow foramen, or a narrowed opening in the skull, can cause compression of the structures that pass through the foramen. This can include nerves, blood vessels, and other structures.
Depending on the specific foramen and the structures affected, this can lead to a variety of symptoms such as numbness, weakness, pain, and other neurological deficits. In some cases, a narrow foramen may not cause any symptoms and may be discovered incidentally.
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In this topic, you learned about the immune response and how vaccines are used to build immunity against certain diseases. You will further your understanding of vaccinations by creating an infographic illustrating how they work. An infographic (Information Graphic) is a visual representation of data or information that is intended to explain complex concepts quickly and clearly. Your infographic should include relevant icons, pictures, charts, and/or graphs with text-based information that communicates how vaccines work to build immunity against certain diseases. Visit the Center for Disease Control and Prevention (CDC) Global Health - Infographics resource library to view a variety of infographic examples
Vaccines are fundamental in preventing and avoiding the spreading of diseases by boosting the immune system against pathogenic microorganisms and viruses.
What is a vaccine?A vaccine is any formulation administered to the body with the aim of boosting the immune system again infections.
Vaccines may consist of nucleic acids (DNA or RNA) or proteins present in the pathogen in order to create immunologic memory by means of antibodies.
These antibodies are able to bind antigens in the pathogens and thus trigger a concomitant immune response.
In conclusion, vaccines can prevent diseases by boosting the immune system.
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3. Which of the following are abiotic factors that make up the climate of a terrestrial biome? (Choose all that apply)
temperature
sediments
moisture
sunlight
Temperature, moisture and sunlight are abiotic factors that make up the climate of a terrestrial biome.
What are abiotic factors?Abiotic factors are environmental conditions that form the ecosystem together biotic (life) factors.
Abiotic factors are variable according to the type of biome and they are fundamental to sustaining life.
In conclusion, temperature, moisture and sunlight are abiotic factors of a terrestrial biome.
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Hypocalcemia stimulates __________. A. secretion of renin B. an increase in blood urea nitrogen C. a decrease in aldosterone production D. secretion of parathyroid hormone
Answer:
D. secretion of parathyroid hormone
Explanation:
A large grassy field had a large number of moles. the first sample pulled out 129 moles. a second sample pulled out a total of 137. seventy two of them had been marked. calculate the estimated population.
The estimated population size for the given question is 246 (approx.).
When it would be impracticable to count each individual in a population, the Mark-Recapture method is utilized to make an estimate of the size of the population. The fundamental strategy entails capturing a small sample size of individuals, applying a non-lethal mark on each of them, and then releasing them back into the general population. After some time has passed, we go after another small group and keep track of how many of them have a mark. When we have a small population, the likelihood of recapturing marked individuals is higher, but when we have a huge population, the likelihood of doing so is lower. The following equation can be used to provide a mathematical expression of this idea:
N = (M*C) / R
N = Number of individuals in the population
M = number of individuals captured and then Marked
C = total number captured the second time
R = the number of individuals that were recaptured (those with a mark)
According to the given question,
M = 129
C = 137
R = 72
N = (129 X 137) / 72
= 246 (approx)
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The two primary jobs of parenchyma cells are _____. flexibility photosynthesis support transport food storage
The two primary jobs of parenchyma cells are food storage and transport.
Parenchyma cells are cells that are living. These cells also have really thin-walls and a structure that is unspecialized. These cells can therefore perform a variety of functions. Parenchyma cells are present throughout a plant. These are present in the form of tissues which are homogenous. Parenchyma cells are present in both the stem and roots. This is the primary reason these cells are involved with the assimilation of nutrients and food. These cells are also present in the flesh of fruits and in seeds, and in the mesophyll of leaves which is why these cells can store food.
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How does the structure of cardiac muscle help it perform its function?
• Its spindle-shaped cells allow it to do smooth movements.
• Its striations allow for big movements.
• Its discs allow it to coordinate movement with other cells.
• Its multinucleated cells allow it to trigger involuntary actions.
Its spindle-shaped cells allow it to do smooth movements which is how the structure of the cardiac muscle helps it to perform its functions.
What is Cardiac muscle?This is also referred to as the myocardium and is the thick middle layer present in the region.
It resists fatigue and contracts in a coordinated manner through spindle-shaped cells thereby ensuring that the smooth movement allows blood to be pumped to other parts of the body. This is the reason why option A was chosen as the most appropriate choice.
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Answer:
A
Explanation:
ꖎ↸ ⊣⚍ᒷᓭᓭ
which of the following is an example of succession
Answer:
An example of succession in that After a disaster, small plants begin to grow in the affected area and are then replaced by larger plants. That is option D.
What is succession?
Succession is defined as the colonization of a disaster affected land by a new species.
For example, when small plants begin to grow in the affected area and are then replaced by larger plants.
Therefore, an example of succession in that After a disaster, small plants begin to grow in the affected area and are then replaced by larger plants.
The process of glycolysis breaks one 6-carbon glucose molecule into two 3-carbon ______________ molecules. Group of answer choices ATP pyruvate NADH CO2
The process of Glycolysis breaks one 6-carbon glucose molecule into two 3-carbon molecules, 2 NADH AND 2ATP molecules.
What is Glycolysis?Glycolysis is the metabolic process that converts glucose into pyruvic acid to produce energy.The process takes place in the cytoplasm of a cell and does not require oxygen.It occurs in both aerobic and anaerobic organisms.Glycolysis is the primary step of cellular respiration, which occurs in all organisms.Six enzymes are involved in the process.The end product of the reaction includes 2 pyruvate, 2 ATP, and 2 NADH molecules.To learn more about Glycolysis,
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If the optic nerve of a frog is cut and the eye is rotated 180 degrees, the frog will _______ that eye a few months later.
If the optic nerve of a frog is cut and the eye is rotated 180 degrees, the frog will have inverted vision with that eye a few months later.
The Chemoaffinity hypothesis was proposed by Roger Wolcott Sperry, and it states that the chemical signals produced by target-matching cells are differentially recognized by axons. In this manner, neurons only connect to particular cells or cell types.
Sperry concluded this hypothesis based on his experiments on the visual system of frogs. He cut the connection between the eye and optic nerve and rotated the eye 180 degrees before re-implanting it.
After a few months, it was found that the functional synapse was re-established by the regeneration of axons that were cut. He concluded that this was possible because of the neural specificity or chemical affinity between the retinal ganglionic cells and the tectum. The regeneration of the optic nerve restored the vision of that eye but it became inverted due to the rotation of the eye.
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Why does an increase in total resources or number of added resources commonly lead to declines in species diversity
It is so because there is an increase in the number of superior competitors which eventually exclude the lesser competitors. Therefore there is a loss in species diversity.
What is species diversity?It is defined as the number of different species present in an ecosystem and relative abundance of each of those species.Diversity is greatest when all the species present are equally abundant in the area.Due to more resources, one species becomes dominant and excludes others.Diversity is inversely proportional to dominance.Species diversity is usually highest at intermediate values of resources.Learn more about species diversity here:
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Benjamin has a sunny disposition, while Fred tends to be somber. __________ are scientists who have the specific tools to help us determine the proportion of these differences due to genes versus environment
Benjamin has a sunny disposition, while Fred tends to be somber. Behavior geneticists are scientists who have the specific tools to help us determine the proportion of these differences due to genes versus the environment.
Behavioral Geneticists take a look at the relationship between human and animal traits (on one side), and biology (on the opposite). In other phrases, in case you're a Behavioral Geneticist, you discover the technology at the back of sure tendencies (competitive behavior, for instance) to determine what precisely reasons them.
For example, to the quantity that genes predispose an individual towards aggressive behavior, together with violence closer to others, dad and mom and children will display similarities in this region of conduct.
Behavioural genetics became founded as a scientific discipline with the aid of Francis Galton inside the late 19th century, simplest to be discredited through association with eugenics movements earlier than and during international conflict II.
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The phlebotomist is preparing to remove her gloves after a venipuncture and notices blood on the gloves. Where should the phlebotomist dispose of her gloves
The phlebotomist should dispose off her gloves in the biohazard waste disposal.
Phlebotomy is the procedure of inserting a cannula into a vein, typically in the arm, in order to extract blood. Venipuncture, the term for the process, is also used to describe intravenous therapy.Typically, the blood is submitted to a lab for analysis. However, in other cases, the blood is removed to address specific medical issues. The term for this is therapeutic phlebotomy. It eliminates additional red blood cells, blood cells with odd shapes, and superfluous iron.Gloves and other personal protective equipment with blood or other bodily fluids on them, as well as cultures of human or animal specimens are biohazards and are put any waste from different cultures or infectious agents in the red biohazard container.learn more about Phlebotomy here: https://brainly.com/question/15071607
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Is pyruvate oxidation the same as pyruvate processing
Answer:
NO
Explanation:
Pyruvate processing Each pyruvate is processed to release one molecule of CO2, and the remaining two carbons are used to form the compound acetyl CoA. The oxidation of pyruvate results in more NAD+ being reduced to NADH. Energy use. ATP.
what is meant by hydrolysis?