In the Final Stage of the Oxidation of Food Molecules

question 25

Multiple Choice

In the final stage of the oxidation of food molecules, a gradient of protons is formed across the inner mitochondrial membrane, which is normally impermeable to protons.If cells were exposed to an agent that causes the membrane to become freely permeable to protons, which of the following effects would you expect to observe?

• A)The ratio of ATP to ADP in the cytoplasm would fall.
• B)NADH would build up.
• C)Carbon dioxide production would cease.
• D)The consumption of oxygen would fall.

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