Why Is Flux Through the Citric Acid Low in the Resting

question 96

Multiple Choice

Why is flux through the citric acid low in the resting state?

• A) Flux through the cycle is low due to a drop in serum adrenaline levels.
• B) Flux through the cycle is low due to allosteric inhibition of pyruvate carboxylase.
• C) Flux through the cycle is low due to complete oxidation of NADH because oxygen is readily available.
• D) Flux through the cycle is low due to low local concentrations of NAD⁺ because of a diminished rate of oxidative phosphorylation.
• E) Flux through the cycle is low due to product inhibition of the pyruvate dehydrogenase complex by ATP.

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