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

question 27

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, (2) is oxidized to form a two-carbon compound, which (3) is covalently bound to coenzyme A. These three steps result in the formation of

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

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