As a research scientist, you measure the amount of ATP and NADPH consumed by the Calvin cycle in 1 hour. You find 30,000 molecules of ATP consumed, but only 20,000 molecules of NADPH. What is the source of the extra ATP?

Question

Quizplus · Accepted Answer

Cyclic electron flow generates additional ATP without producing NADPH, which explains the extra ATP consumed by the Calvin cycle.

As a Research Scientist, You Measure the Amount of ATP