Which statement is false regarding an activator of an allosteric enzyme?
a. some activators bind to the active site while others bind to a regulatory site
b. allosteric activators shift the V vs. S curve to the left towards the Y-axis
c. ATP is an allosteric activator of ATCase
d. binding of an allosteric activator to an enzyme makes the V vs. S curve less sigmoidal
e. an activator binds to the R state and causes a conformational change in the T state.
