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In the Krebs cycle, how is citric acid formed?(1 point)ResponsesPyruvic 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.Enzymes combine hydrogen ions, oxygen, and electrons.Enzymes combine hydrogen ions, oxygen, and electrons.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 combination produces citrate, which is another name for citric acid. Therefore, the correct response is:

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