Which steps of photosynthesis does C4 photosynthesis partition in space?
A) carbon fixation and Calvin cycle reactions
B) carbon fixation and light reactions
C) light reactions and Calvin cycle reactions
D) glyceraldehyde-3-phosphate (G3P) formation and glucose phosphate formation
E) 1,3 bisphosphoglycerate (BPG) formation and glucose phosphate formation

Question

Quizplus · Accepted Answer

C4 photosynthesis partitions carbon fixation and Calvin cycle reactions in space, with carbon fixation occurring in mesophyll cells and the Calvin cycle occurring in bundle sheath cells. The light reactions occur in both cell types but are not partitioned. G3P and glucose phosphate formation are not specifically partitioned in C4 photosynthesis. BPG formation is not a significant step in C4 photosynthesis.

Which Steps of Photosynthesis Does C4 Photosynthesis Partition in Space