Question

If oxygen is absent during the second stage of cellular respiration,

a.) fermentation will occur.
b.) the Krebs cycle begins.
c.) the electron transport chain works more efficiently.
d.) glycolysis stops.

Answer 1

Fermentation will occur.

The Krebs cycle occurs when acetyl-CoA combines OAA (oxaloacetate), C makes no sense, and Oxygen is vital for glycolysis...