Phosphofructokinase is an allosteric enzyme that catalyzes the conversion of fructose 6-phosphate to fructose 1,6-bisphosphate, an early step of glycolysis. In the presence of oxygen, an increase in the amount of ATP in a cell would be expected to
A) inhibit the enzyme and thus slow the rates of glycolysis and the citric acid cycle.
B) activate the enzyme and thus slow the rates of glycolysis and the citric acid cycle.
C) inhibit the enzyme and thus increase the rates of glycolysis and the citric acid cycle.
D) activate the enzyme and increase the rates of glycolysis and the citric acid cycle.
E) inhibit the enzyme and thus increase the rate of glycolysis and the concentration of citrate.
Conversion of succinate to fumarate
Localization of an Enzyme
Enthalpic stabilization of the transition state in an enzyme-catalyzed reaction
Conversion of isopentenyl pyrophosphate and dimethylallyl pyrophosphate to farnesyl pyrophosphate
Close-up of a newly created enzyme degrading PET plastic
Conversion of guanine to 6-ethylguanine by the alkylating agent ethylmethane sulfonate (EMS)