Question

Which of the following compounds is the first member of the TCA cycle?

• A. Oxaloacetic acid
• B. α-ketoglutaric acid
• C. Succinic acid
• D. Malic acid

Answer 1

Answer:

A. Oxaloacetic acid

• Oxaloacetic acid is the first member of the TCA cycle.

• The continued oxidation of acetyl CoA via the TCA cycle requires the continued replenishment of Oxaloacetic acid.