Biologists believe that in the earliest version of photosynthesis,the energized photosystem electron simply cycled back to the chlorophyll molecule.Which of the following limitations would NOT be imposed by such a system?
A) No molecular oxygen would be generated.
B) No electrons would be available to reduce the carbon in CO₂ .
C) Cells could produce ATP but not sugars.
D) Cells could produce O₂ but not sugars.
Correct Answer:
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