Which enzyme catalyzes the first step in the Calvin cycle?
A) Glyceraldehyde-3-phosphate
B) PEP
C) Rubisco
D) RuBP
E) 3PG

Name: Which enzyme catalyzes the first step in the Calvin cycle? A) Glyceraldehyde-3-phosphate B) PEP C) Rubisco D) RuBP E) 3PG
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Question

Quizplus · Accepted Answer

Rubisco is the enzyme that catalyzes the first step in the Calvin cycle, which is the fixation of CO2. Rubisco catalyzes the reaction between CO2 and the 5-carbon sugar ribulose-1,5-bisphosphate (RuBP) to produce two molecules of 3-phosphoglycerate (3PG).

Which Enzyme Catalyzes the First Step in the Calvin Cycle