Question

______ is a cyclic series of eight reactions involved in the catabolism of acetyl-CoA that yields eight molecules of NADH and two molecules of FADH2.

Answer 1

The cyclic series of eight reactions involved in the catabolism of acetyl-CoA is the citric acid cycle. This cycle yields eight molecules of NADH and two molecules of FADH2.

Step-by-step explanation:

The cyclic series of eight reactions involved in the catabolism of acetyl-CoA that yields eight molecules of NADH and two molecules of FADH2 is called the citric acid cycle or Krebs cycle or tricarboxylic acid (TCA) cycle.

The citric acid cycle is a series of reactions that brings about the oxidation of a two-carbon unit to carbon dioxide and water.

During the citric acid cycle, the acetyl group from acetyl CoA is attached to a four-carbon oxaloacetate molecule to form a six-carbon citrate molecule. Through a series of steps, citrate is oxidized, releasing two carbon dioxide molecules for each acetyl group fed into the cycle. In the process, three NADH molecules are produced, one FADH2 molecule is produced, and one ATP or GTP is produced by substrate-level phosphorylation.