Question

In the Krebs cycle, how is citric acid formed?(1 point)
Responses

Carbon dioxide bonds with a chain of coenzyme A.
Carbon dioxide bonds with a chain of coenzyme A.

Enzymes combine hydrogen ions, oxygen, and electrons.
Enzymes combine hydrogen ions, oxygen, and electrons.

Acetyl-CoA joins with a large molecule called oxaloacetic acid.
Acetyl-CoA joins with a large molecule called oxaloacetic acid.

Pyruvic acid molecules are broken down by an acetyl group.

1 answer

Citric acid is formed in the Krebs cycle when Acetyl-CoA joins with a large molecule called oxaloacetic acid. Therefore, the correct response is:

Acetyl-CoA joins with a large molecule called oxaloacetic acid.