Which limitation is bypassed when CAM plants temporally separate carbon fixation where rubisco is used?

💡 Explanation

When CAM plants temporally separate carbon fixation, photorespiration is minimized because carbon fixation occurs at night, when stomata are open allowing carbon dioxide entry while water loss is reduced during the day; this concentration of CO2 prevents rubisco from binding to oxygen. Therefore reduced photorespiration results, rather than ATP limitation, NADPH, or reduced water, which involve separate metabolic processes.

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