In the Presence of Oxygen, the Three-Carbon Compound Pyruvate Can

question 18

Multiple Choice

In the presence of oxygen, the three-carbon compound pyruvate can be catabolized in the citric acid cycle. First, however, the pyruvate (1) loses a carbon, which is given off as a molecule of CO₂, (2) is oxidized to form a two-carbon compound called acetate, and (3) is bonded to coenzyme A.
-These three steps result in the formation of

• A) acetyl CoA, O₂, and ATP.
• B) acetyl CoA, FADH₂, and CO₂.
• C) acetyl CoA, FAD, H₂, and CO₂.
• D) acetyl CoA, NADH, H⁺, and CO₂.
• E) acetyl CoA, NAD⁺, ATP, and CO₂.