In the citric acid cycle,the first step is:

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Question

(A) In the first reaction of the citric acid cycle,one molecule of acetyl Co-$A$ ($2$ carbons) condenses with a $4$-carbon compound,oxaloacetic acid $

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Acetyl Co-$A$ combines with oxaloacetic acid

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(A) In the first reaction of the citric acid cycle,one molecule of acetyl Co-$A$ ($2$ carbons) condenses with a $4$-carbon compound,oxaloacetic acid $(OAA)$,in the presence of water to form a $6$-carbon compound,citric acid,and Co-$A$ is released. This reaction is catalyzed by the enzyme citrate synthase.

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