The critical factor that drives many microorganisms to use fermentation to metabolize sugar is
A)inability to carry on glycolysis.
B)lack of free oxygen.
C)lack of any enzymes.
D)intolerance to alcohol.

Question

Quizplus · Accepted Answer

The lack of free oxygen is the critical factor that drives many microorganisms to use fermentation to metabolize sugar. Without oxygen, cells cannot carry out aerobic respiration and therefore must resort to anaerobic processes like fermentation to generate energy.

The Critical Factor That Drives Many Microorganisms to Use Fermentation