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Pretest:
Light
The diagram summarizes the process of photosynthesis
inside chloroplasts.
Photosystems
NADP+
H+
Electron
ADP+P
Electroh transport chains
NADPH
ATP
ATP synthase
ADP+P
ATP
Stroma
ATP
+Calvin
ADP+P
cycle
NADPH
NADP+H
000
000
Sugar
Based on the diagram, how is light energy used during photosynthesis?
A. It is transferred directly to an electron.
B. It splits NADPH into NADP+ and H*.
C. It combines CO2 molecules into sugar.
D. It is transferred directly to an ATP molecule.