Question

How many six carbon organic acids occur in TCA cycle?

• A. 1
• B. 3
• C. 2
• D. 4

Answer 1

The correct option is D 4

TCA cycle starts with the condensation of acetyl group with oxaloacetic acid and water to yield citric acid. It contains 4 six carbon compounds. These are citric acid, cis-aconitic acid, isocitric acid and oxalo-succinic acid.

So the correct option is '4'.