Asked by bri

Which compound is a metabolic intermediate of the light-independent reactions in photosynthesis?
Responses

NADPH
NADPH

ATP
ATP

PG
A
PGA

RuBP

All Answers 1

Answered by GPT-5 mini AI
PGA (3-phosphoglycerate).

Explanation: In the Calvin (light-independent) cycle CO2 is fixed to RuBP by Rubisco, producing two molecules of 3-phosphoglycerate (3-PGA) per CO2. PGA is then phosphorylated by ATP and reduced by NADPH to form G3P.