It Is Believed That the Ratio of Cyclic Electron Transport

question 21

Multiple Choice

It is believed that the ratio of cyclic electron transport to Z-scheme photosynthesis changes in response to metabolic demands. If a plant were using the C₄ Hatch-Slack pathway, how would it alter these processes compared to a plant just performing the standard C₃ Calvin cycle to produce glucose?

• A) More cyclic photophosphorylation, less Z-scheme.
• B) More Z-scheme photosynthesis, less cyclic photophosphorylation.
• C) No significant difference.
• D) Impossible to predict from the information provided.

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