Humans are unable to get metabolic energy from cellulose because:
A)cellulose contains very little chemical energy.
B)cellulose is not part of a normal diet.
C)cellulose digesting enzymes are absent from the human gut.
D)cellulose does not taste good.

Question

Quizplus · Accepted Answer

Humans lack the enzyme cellulase, which is necessary to break down cellulose into glucose units that can be metabolized for energy.

Humans Are Unable to Get Metabolic Energy from Cellulose Because