The Success Center Mithi

Which enzyme attaches carbon dioxide to RuBP in the Calvin cycle?

A) Phosphofructokinase

B) ATP synthase

C) RuBisCO

D) Pyruvate dehydrogenase

Answer: C

Explanation: RuBisCO catalyzes the first major carbon-fixation step. Its substrate RuBP is regenerated in the cycle.

Scroll to Top