In the Krebs cycle, how is citric acid formed?(1 point)
Enzymes combine hydrogen ions, oxygen, and electrons.
Pyruvic acid molecules are broken down by an acetyl group.
Carbon dioxide bonds with a chain of coenzyme A.
Acetyl-CoA joins with a large molecule called oxaloacetic acid.
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In the Krebs cycle, how is citric acid formed?(1 point)
Enzymes combine hydrogen ions, oxygen, and...
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