How Does Lack of Oxygen in the Cell Decrease TCA

question 90

Multiple Choice

How does lack of oxygen in the cell decrease TCA cycle activity?

• A) synthesis of lactic acid from pyruvate is inhibited
• B) increased malonyl CoA inhibits carnitine acyl transferase I.
• C) electron transport cannot be used to regenerate NAD+
• D) epinephrine levels are increased
• E) glycogenolysis is decreased, causing less requirement for the TCA cycle.

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