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schepotkina [342]
3 years ago
15

Why does estrogen most likely need to increase blood flow in a pregnant woman's body?

Biology
1 answer:
omeli [17]3 years ago
3 0

Answer:

So blood can reach the fetus

Explanation:

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What changes the stability of the element
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From the following list, correctly identify the reason(s) that might explain a decrease in Vmax due to a suboptimal pH during an
Zanzabum

Answer:

The correct answer is -

a. Protonation of the substrate.

b. Deprotonation of the amino acids in the enzyme active site.

c. Change in tertiary structure in extreme conditions.

Explanation:

During an enzyme assay, suboptimal pH is changed and affect the Vmax to decrease and this could take place due to various reasons such as-

A) protonation of the substrate - Upon protonating or adding a proton or hydrogen cation to a substrate atom, the mass and the charge of the species each increase by one unit which make a conjugate acid.

B) Deprotonation of the amino acids in the enzyme’s active site -Changing the pH will affect the charges on the amino acid molecules.

C) Denaturation of the protein’s tertiary structure- Tertiary structure of the protein is basically a backbone of peptide chain with one or more secondary domains of proteins that increasing the pH or decreasing the pH get denature.

Thus, the correct answer is : option A, B, C.

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3 years ago
The use of a grass filter _____
kakasveta [241]

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buffer zone

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Number 4 , please . I'm desperate. thanks
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