During the Krebs cycle, carbon number is reduced by decarboxylation. It is repeated _ time/s during one cycle.

Carbon dioxide released by respiration just equals the quantity required by photosynthesizing cells. This is termed:

FADH2 is produced during:

NADH is oxidized by:

The electron transport chain occurs in:

A process that uses membranes to couple redox reactions to ATP production is termed: