The Light Reactions of Photosynthesis Are Said to Be Similar

question 18

Multiple Choice

The light reactions of photosynthesis are said to be similar to a battery because they form a current. In which direction do the electrons of this circuit flow?

• A) H ₂O → PSII → electron transport chain → PSI → electron transport chain → NADPH
• B) H ₂O → PSII → chlorophyll b → PSI → chlorophyll a → NADPH
• C) NADPH → PSII → electron transport chain → PSI → electron transport chain → NADP ⁺
• D) NADP ⁺ → PSII → electron transport chain → PSI → electron transport chain → NADPH
• E) PSI → electron transport chain → PSII → electron transport chain → NADPH

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