Biology 3rd Edition by Peter Russell, Paul Hertz, Beverly McMillan

Exercise 8

Which of the following statements about the allosteric site is true?
A)The allosteric site is a second active site on a substrate in a metabolic pathway.
B)The allosteric site on an enzyme can allow the product of a metabolic pathway to inhibit that enzyme and stop the pathway.
C)When the allosteric site of an enzyme is occupied, the reaction is irreversible and the enzyme cannot react again.
D)An allosteric activator prevents binding at the active site.
E)An enzyme that possesses allosteric sites does not possess an active site.