Question

Glycolysis occurs only in the___________.
1. Absence of O₂
2. Absence of CO₂
3. Both (A) and (B)
4. Presence of CO₂
5. None of these

Answer 1

Correct Answer - Option 1 : Absence of O₂

In glycolysis, a 2 ATP investment results in a 4 ATP payoff. Unlike the rest of aerobic respiration, which takes place in the mitochondria, glycolysis takes place in the cytoplasm of the cell. Unlike the rest of aerobic respiration, glycolysis does not require oxygen.