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

Responses

Pyruvic acid molecules are broken down by an acetyl group.
Pyruvic acid molecules are broken down by an acetyl group.

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.

1 answer

The correct response is:

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

In the Krebs cycle (also known as the citric acid cycle), acetyl-CoA combines with oxaloacetic acid to form citric acid (citrate).