When oxygen is scarce,cellular pyruvate acid is converted to:
A)glucose.
B)ATP.
C)lactic acid.
D)fatty acids.

Question

Quizplus · Accepted Answer

When there is a shortage of oxygen, aerobic respiration cannot occur, and the cell needs an alternative way to regenerate NAD+ to keep glycolysis going. One such mechanism is lactate fermentation, in which pyruvate is converted to lactate, releasing NAD+. Therefore, the correct option is C.

When Oxygen Is Scarce,cellular Pyruvate Acid Is Converted To