In cell respiration, oxygen is NOT required for:
A)glycolysis
B)the Krebs cycle
C)the cytochrome (electron) transport system
D)A and B only

Question

Quizplus · Accepted Answer

Oxygen is not required for glycolysis, which occurs in the cytoplasm of cells and does not involve the use of oxygen. However, oxygen is required for the Krebs cycle and the cytochrome (electron) transport system, which occur in the mitochondria and are involved in the production of ATP through aerobic respiration. Choice D is incorrect because the Krebs cycle does require oxygen.

In Cell Respiration, Oxygen Is NOT Required For