In the CAM pathway, in contrast to pathways in C₃ and C₄ plants, CO₂ uptake and the Calvin cycle are separated in time, with A) both CO₂ uptake and the Calvin cycle occurring at night. B) both CO₂ uptake and the Calvin cycle occurring during the day. C) CO₂ uptake occurring at night and the Calvin cycle during the day. D) CO₂ uptake occurring during the day and the Calvin cycle at night.

Question

Quizplus · Accepted Answer

In CAM plants, CO2 uptake occurs at night to minimize water loss, and the Calvin cycle occurs during the day when sunlight is available for photosynthesis.

In the CAM Pathway, in Contrast to Pathways in C3

In the CAM Pathway, in Contrast to Pathways in C₃