Which statement is TRUE regarding ATP synthesis in oxygenic phototrophs?
a. Cyclic photophosphorylation does not occur in oxygenic phototrophs.
b. Cyclic photophosphorylation occurs only when there is sufficient NADH-reducing power.
c. Noncyclic photophosphorylation does not occur in oxygenic phototrophs.
d. Noncyclic photophosphorylation occurs only when there is sufficient NADH-reducing power.
Answer: B
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