Tricarboxylic Acid (TCA/Krebs) Cycle, Amphibolic Nature & Anaplerosis

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

A: Under aerobic conditions, TCA cycle is the primary source of energy. R: TCA cycle is followed by electron flow through the respiratory chain generates more ATPs.

In light of the above statements, choose the most appropriate answer from the options given below

In glyoxalate shunt, Isocitrate converts into,