Which of the following descriptions of photosynthesis best explains the results of the experiment?
A) Availability of electrons for transfer to DCPIP depends on light energy.
B) Movement of DCPIP across chloroplast membranes occurs in less than 60 minutes.
C) Chlorophyll molecules degrade rapidly in the presence of DCPIP.
D) DCPIP can only be used to measure photosynthetic activity at low light levels.
Answer: A) Availability of electrons for transfer to DCPIP depends on light energy.
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AP Biology
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