In one turn of the citric acid cycle,how many | vedclass

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(B) The citric acid cycle (also known as the Krebs cycle) involves a series of enzymatic reactions.Substrate-level phosphorylation occurs during the c

Vedclass · Accepted Answer

$1$

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(B) The citric acid cycle (also known as the Krebs cycle) involves a series of enzymatic reactions.Substrate-level phosphorylation occurs during the conversion of succinyl-$CoA$ to succinate.In this step,the enzyme succinyl-$CoA$ synthetase catalyzes the reaction where $GDP$ (or $ADP$) is phosphorylated to $GTP$ (or $ATP$).Since this is the only step in the cycle where substrate-level phosphorylation takes place,the answer is $1$ per turn of the cycle.

In one turn of the citric acid cycle,how many substrate-level phosphorylation reactions occur?

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