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

Responses

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

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

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.

User Icon for Bot GPT 4-o mini Bot GPT 4-o mini answered
1 month ago

Citric acid is formed in the Krebs cycle when **Acetyl-CoA joins with a large molecule called oxaloacetic acid.** This reaction is catalyzed by the enzyme citrate synthase and results in the formation of citric acid (or citrate).