The Citric Acid Cycle Starts with ________ and Yields

question 40

Multiple Choice

The citric acid cycle starts with ________ and yields

• A) lactic acid; carbon dioxide.
• B) glucose; 32 ATPs.
• C) acetyl CoA; lactic acid or alcohol.
• D) acetyl CoA, NAD, FAD, and ADP; carbon dioxide, NADH, FADH₂, and ATP.
• E) carbon dioxide; oxygen. The citric acid cycle starts with the products from the preparatory step that meet up with C₄ molecules already present in the mitochondrial matrix. Two carbons are pulled off and released as carbon dioxide, leaving a C₄ molecule allowing the process to occur again. Both NAD+ and FAD accept hydrogen atoms, resulting in NADH and FADH₂.

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