Question

Which statements is wrong for Krebs' cycle ?

• A. There is one point in the cycle where $FAD ^{+}$ is reduced to $FADH _{2}$
• B. During conversion of succinyl CoA to succinic acid, a molecule of GTP is synthesised
• C. The cycle starts with condensation of acetyl group (acetyl CoA) with pyruvic acid to yield citric acid
• D. There are three points in the cycle where NAD $^{+}$ is reduced to $NADH + H ^{+}$

Answer 1

Answer: (C)

The cycle starts with condensation of acetyl group (acetyl CoA) with pyruvic acid to yield citric acid

Answer 2

Krebs cycle starts with condensation of acetyl CoA $(2 C)$ with oxaloacetic acid $(4 C)$ to form citric acid (6C).