Biology
Grade-9
Easy

Question

Which of the following is the primary acceptor of carbon dioxide in Calvin Cycle?

  1. Glucose
  2. 3 PGA
  3. RUBP
  4. RUBISCO

hintHint:

RUBP

The correct answer is: RUBP


    In the Calvin cycle the carbon dioxide acceptor molecule is RUBP, and the enzyme catalyzing this reaction is RUBISCO. The carbon dioxide acceptor in Calvin cycle is a five carbon ketose sugar- Ribulose biphosphate (RuBP). Its chemical name is Ribulose 1,5-diphosphate.