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solmaris [256]
3 years ago
11

A student is studying the amino acid sequence of a protein shared by four organisms. The student wants to know which organism is

most closely related to organism A. The student has data that shows the number of amino acid differences between organism A and each of the other organisms. Study the data in the chart. OrganismNumber of Difference in Amino Acid Sequence from Organism A B3 C5 D1 Which organism does this data suggest is most closely related to organism A?
Biology
1 answer:
MariettaO [177]3 years ago
5 0

Answer:

Organism D.

Explanation:

Amino acids are the monomers of proteins and are linked together by the peptide bond. The protein is obtained from the RNA molecules by the process known as translation.

The amino acid sequence of the proteins can also be used to study the evolutionary relationship between the organisms and the closeness of teh organisms with each other. In the question it is give that organisms A and D has least difference ( 1 amino acid sequence difference) and more related with each other.

Thus, the answer is organism D.

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Geographical isolation (vicariance)  is the main reason for the evolution of either side mouse into new species.

What is geographical isolation?

Two populations of the same species are geographically separated by a barrier, they will eventually become genetically distinct from one another. Even when they are exposed to the same kinds of environmental selection forces and are living in the same region, two populations of the same species can yet become genetically distinct from one another.

A new river cuts through a land mass, separating populations of mice on either side. these mice then evolve into new species on the two sides of the land mass, the separation of a group of organisms by a geographic barrier, resulting in the differentiation of the original group into new varieties or species.

Hence, vicariance is a kind of evolution caused by geographical isolation.

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5 0
1 year ago
If there was a dramatic increase in skeletal muscle cell damage and apoptosis, what would you expect to happen to levels of myog
leva [86]

If there was a dramatic increase in skeletal muscle cell damage and apoptosis, I would not expect a change in blood myoglobin and CK levels, because these markers are linked to cardiac muscle damage.

<h3>What does high CK-MB mean?</h3>

Elevated CKMB can be a sign of cardiac (heart muscle) damage or chronic kidney failure. At the onset of acute symptoms, after cardiac peaks, CKMB values ​​are elevated after 3-6 peaks after 12-24 hours between 12-24 hours, values ​​at 24-48-48.

With this information, we can conclude that if there was a dramatic increase in skeletal muscle cell damage and apoptosis, we would not expect a change in blood myoglobin and CK levels, because these markers are linked to cardiac muscle damage.

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7 0
2 years ago
Describe how plant fossils found at svalbard in norway gave evidence of drifting continents.
aleksley [76]

They were plants that preferred a warm temperature and couldn't survive in a cold one.

They discovered these plant fossils in Svalbard, Norway, which was once home to a forest. They were thought to have originated in a tropical jungle that was close to the equator. However, these fossils were discovered in the north, where the environment prevented their growth. This demonstrated that these trees were transported by continental drift to the northern, colder region that is now Norway.

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7 0
2 years ago
How would an inhibitor of cAMP phosphodiesterase affect glucose mobilization in muscle? It would increase cAMP levels, which wou
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Answer:It would maintain high cAMP levels and elevate glucose mobilization.

Explanation:

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of cAMP. This signal then leads to glucose mobilization. If cAMP phosphodiesterase were inhibited, then

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4 years ago
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Answer:

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