One Important Regulation Point in the Aerobic Respiration of Mammals

Multiple Choice

One important regulation point in the aerobic respiration of mammals occurs in glycolysis at the site of the enzyme phosphofructokinase, which is:

A) inhibited by high levels of ATP.
B) inhibited by low levels of ATP.
C) inhibited by high levels of AMP.
D) activated by the presence of O₂.
E) activated by the introduction of glucose.