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OLga [1]
3 years ago
15

Can u help me please

Biology
1 answer:
svlad2 [7]3 years ago
7 0

Answer:

a. Organism B is most closely related to organism A because the percentage of DNA similarity is 97%

b. Organism D and Organism  A are the least closely related with a DNA similarity of 50%

c. Organism A and Organism  B most likely share a common ancestor because there DNA is alomst identical leaving you to beleive that they are closly related.

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I believe it is the ascending loop of henle. In the ascending portion, the loop becomes impermeable to water and instead the cells of the loop, actively reabsorb the solute; thus water is not reabsorbed but ions are readily reabsorbed. As the ions are reabsorbed the concentration becomes more and more hypotonic until it reaches 100-150 mOsm/L. Therefore, the ascending loop is called the diluting segment of the nephron due to its ability to dilute the fluid in the loop from 1200 to 100 mOsm/L.
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Name the ridged bundles of muscle found projecting inside the right atrium. View available hint(s) name the ridged bundles of mu
IRISSAK [1]

Answer;

-Pectinate muscles

Explanation;

-Pectinate muscles are shaped a little like hair, and their function is maxium atrial contraction with minimal muscle mass.The pectinate muscles (musculi pectinati) are parallel ridges in the walls of the atria of the heart. They are so-called because of their resemblance to the teeth of a comb as in pecten.

-The pectinate muscles are ridge like elevations of muscle. They are parallel to each other and resemble teeth of a comb. They are easily observed inside the right atrium.

5 0
3 years ago
How are monotremes different from other groups of mammals?
fredd [130]

Answer:

The correct answer will be -they lay eggs

Explanation:

Monotremes are the animals which belong to the group of mammals. There are only five species of monotremes known today which are found in New Guinea and Australia.

The monotremes differ from other mammals which is that they lay eggs instead of giving birth to the young ones. This shows that these mammals are closely related to the reptiles and amphibians and are thus the primitive mammals.

Thus, they lay eggs is the correct answer.

3 0
3 years ago
A force can exist between two charged particles or objects even if they're as small as subatomic particles. Between which of the
kolezko [41]
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Which statement is true about the chemical reaction for photosynthesis in which carbon dioxide and water react to form glucose a
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Answer:

°The process of photosynthesis is a physical change

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