Photosynthesis

AP Biology· difficulty 3/5

Cyclic electron flow around PSI generates

A
$Glucose only (no ATP, no NADPH)$
B
$Both ATP and NADPH (no O₂)$
C
$ATP only (no NADPH, no O₂)$
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D
$NADPH only (no ATP, no O₂)$

Explanation

Cyclic flow recycles electrons through the cytochrome complex, pumping protons and making ATP without producing NADPH or O₂.

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