Which experimental modification would most effectively help to determine the sequence of reactions and reaction intermediates in the Calvin cycle?
A. Exposing the cells to alternating periods of light and darkness
B. Varying the amount of water the cells are exposed to
C. Exposing the cells to radiolabeled O2 instead of 14CO2
D. Exposing the cells to 14CO2 for various time intervals
Answer: D
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Fill in the blank(s) with correct word