Under What Conditions Does the Cyclic Electron Flow of Photosystem

question 18

Multiple Choice

Under what conditions does the cyclic electron flow of photosystem I occur?

• A)high NADPH, low ATP
• B)low NADPH, high ATP
• C)low NADPH, low ATP
• D)high NADPH, high ATP
• E)under conditions when light is not intense enough to excite PSII

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