What is the term for the breakdown of glucose in the absence of oxygen?

a. photosynthesis

b. aerobic

c. fermentation

d. cellular respiration

C. Fermentation. Explanation: If oxygen is present, then glucose can be broken all the way down into carbon dioxide and water. This process is called aerobic respiration because it requires air (oxygen). In the absence of oxygen, the cell uses a process called anaerobic fermentation. or simply fermentation.