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.

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

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.

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 produces citric acid (also known as citrate) as the first step of the cycle.