Question

the calvin cycle requires all of the following except multiple choice carbon dioxide. oxygen. water. nadph atp.

Explanation:

The Calvin - cycle, also known as the light - independent reactions of photosynthesis, uses carbon dioxide, ATP, NADPH, and water in the process of carbon fixation to produce carbohydrates. Oxygen is a by - product of the light - dependent reactions and is not required for the Calvin cycle.

Answer:

B. oxygen