A Student Was Asked to Describe the Calvin Cycle in a Chloroplast.He

Short Answer

A student was asked to describe the Calvin cycle in a chloroplast.He began by talking about the carbon-fixation reaction catalyzed by rubisco between carbon dioxide and ribulose 1,5-bisphosphate (RuBP) that produces 3-phosphoglycerate (3PG).The student finished by describing reactions involving ATP and NADPH that convert 3-phosphoglycerate to glyceraldehyde 3-phosphate (G3P), which can be used to produce sucrose and other sugars in the cytoplasm.The student neglected to describe the third process of the Calvin cycle, which involves _______.