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Marina CMI [18]
3 years ago
7

Why can skin regenerate effectively even after considerable damage?

Biology
1 answer:
ddd [48]3 years ago
5 0
Hello!

Skin can regenerate effectively even after considerable damage because stem cells persist in both the epithelial and connective tissue components of skin. When injury occurs, cells of the stratum germinativum replace epithelial cells while mesenchymal cells replace cells lost from the dermis.

I really hope this helped you! c:
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Your scan of Lucy's ADA gene showed a mutation in the active site. Why was this mutation not a problem?
notsponge [240]

Answer:

it does not disturb the overall function of the active site

Explanation:

The gene mutation will not have an effect on the active site. This is because the mutation affects the non-essential amino acid or protein in the molecule. This causes the molecule to be in the same state and shape it was. In addition, the Quaternary protein structure has many proteins on the active site. Hence the mutation will not be significant and detrimental to the overall structure and function of the molecule.

5 0
3 years ago
Explain how the release of sodium and chlorine would lead to a loss of water in the intestines
frosja888 [35]

Answer:

Please find the explanation below

Explanation:

Sodium (Na) and Chlorine (Cl) are two electrolytes that play important role in the absorption of water and nutrients in the small intestine. However, as mentioned in the question, the release of sodium and chlorine would lead to a loss of water in the intestines. This is because of the OSMOTIC phenomenon.

Osmosis is the movement of water molecules from a region of high concentration of water/low concentration of solute to a region of low concentration of water/high concentration of solute via a semipermeable membrane. In this case, the Na+ and Cl- ions serve as the solutes, which when released out of the intestine causes the solution in the intestines to be HYPOTONIC compared to the intestinal environment. This causes an OSMOTIC GRADIENT.

This osmotic gradient i.e. difference in concentration provokes osmotic flow of water from the intestines, which has a low solute/high water concentration, to the outside of the intestines, which has a high solute/low water concentration. Hence, water is lost from the intestine because the solute concentration becomes low when sodium and chlorine ions are released.

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3 years ago
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<h2>Answer:C Gizzards in bird and teeth in mammals</h2>

Explanation:

I took the test and got 100. Your Welcome

3 0
3 years ago
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jeka57 [31]

Answer:srry, i dont know the answer

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Compare the similarities and difference between anaerobic respiration in animal and yeast cells.​
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Answer:

<h2><em>Explanation: Anaerobic bacteria can sustain itself without the presence of oxygen. Almost all animals and humans are obligate aerobes that require oxygen for respiration, whereas anaerobic yeast is an example of facilitative anaerobe bacteria.</em></h2><h2><em>Hope</em><em> </em><em>it</em><em> helps</em><em>.</em><em>.</em></h2>
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3 years ago
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