Question

PGA is reduced using

• A. ATP and NADPH
• B. FADH${}_2$
• C. CoA
• D. CoQ

Answer 1

Answer: (A)

ATP and NADPH

A) In Calvin's cycle, 3-PGA is reduced to GA3P using 2 ATP and 2 NADPH for each PGA (there are three in total).
B) ${FADH}_2$ is not used to reduce PGA.

C) Acetyl coA is not used to reduce PGA.
D) The coenzyme Q - oxidoreductase is responsible for the generation of ATP.
So the correct answer is 'ATP and NADPH'.