The CAM pathway
A) involves only the Calvin-Benson cycle
B) involves only the C4 cycle
C) is used by plants in humid regions
D) is also known as photorespiration
E) needs day and night for completion

Question

Quizplus · Accepted Answer

The CAM (Crassulacean Acid Metabolism) pathway involves a two-step process where carbon is fixed at night through the C4 cycle and stored as malic acid, which is then used during the day in the Calvin-Benson cycle for photosynthesis. Therefore, the pathway needs day and night for completion.

The CAM Pathway