In the Process of Carbon Fixation, RuBP Attaches a CO₂

question 2

Multiple Choice

In the process of carbon fixation, RuBP attaches a CO₂ to produce a six-carbon molecule, which is then split to produce two molecules of 3-phosphoglycerate. After phosphorylation and reduction produces glyceraldehyde 3-phosphate (G3P) , what more needs to happen to complete the Calvin cycle?

• A) addition of a pair of electrons from NADPH
• B) inactivation of RuBP carboxylase enzyme
• C) regeneration of ATP from ADP
• D) regeneration of RuBP
• E) regeneration of NADP⁺

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