Use the Pyruvate Concentration Table to answer the question.

The researcher adds a chemical to the cytosol at the one-hour mark. The full effect of the chemical can be observed at the two-hour mark. Which of the following hypotheses regarding the effect of the chemical is MOST reasonable?

A.
The chemical inhibits the carrier protein for pyruvate in the mitochondrial inner membrane.

B.
The chemical inhibits the carrier protein for glucose in the plasma membrane.

C.
The chemical inhibits the carrier protein for glucose in the mitochondrial inner membrane.

D.
The chemical inhibits the protein channels in the mitochondrial outer membrane.

Answer:

The Answer is A. the chemical inhibits the carrier potein for pyruvate in the mitochondrial inner membrane.

Explanation:

I just took the test so I know this is right

The statement regarding the effect of the chemical that is reasonable is that the chemical inhibits the carrier protein for pyruvate in the mitochondrial inner membrane. The correct option is A.

Carrier proteins bind the specific solute to be transported and then go through a series of conformational changes to move the bound solute across the membrane.

Carrier proteins bind specific solutes and transport them across the lipid bilayer by going through conformational changes that expose the solute-binding site on one side of the membrane and then the other.

Carrier proteins, like other membrane transport proteins, are found in lipid bilayer cell structures such as cell membranes, mitochondria, and chloroplasts.

A reasonable statement about the chemical's effect is that it inhibits the pyruvate carrier protein in the mitochondrial inner membrane.

Thus, the correct option is A.

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