In Reactions Catalyzed by Allosteric Enzymes

Multiple Choice

In reactions catalyzed by allosteric enzymes

A) substrate, activators, and inhibitors all compete for the same binding site on the enzyme.
B) there is no distinction between catalytic and regulatory subunits.
C) the presence of an activator makes the plot of reaction rate against substrate concentration less cooperative.
D) the presence of an inhibitor makes the plot of reaction rate against substrate concentration less cooperative.