Let in the Light
Biology
Level
2
All of the following features are common to C3 and C4 photosynthesis except:
Note: A version of this question appeared in the 2002 AP Biology exam.
Cyclic phosphorylation
Initial step of CO2 fixation
Noncyclic phosphorylation
Photolysis
Chemiosmotic phosphorylation
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1 solution
The first CO2 fixation in C3 cycle produces phosphogyleceric acid while that in C4 cycle produces oxaloacetic acid.