The first intermediate produced after the entry of acetyl-CoA into the Krebs cycle is
A)pyruvate.
B)acetyl-CoA.
C)fructose bisphosphate.
D)oxaloacetate.
E)citrate.

Question

Quizplus · Accepted Answer

The first intermediate produced after the entry of acetyl-CoA into the Krebs cycle is citrate. This is because acetyl-CoA combines with the four-carbon molecule oxaloacetate to form citrate in a reaction catalyzed by the enzyme citrate synthase.

The First Intermediate Produced After the Entry of Acetyl-CoA into the Krebs