AP Biology Enzyme Quiz

Enzymes are primarily composed of:

The region of an enzyme where the substrate binds is called the:

Enzymes speed up reactions by:

Which statement about enzymes is TRUE?

The substance upon which an enzyme acts is called the:

Which model suggests that enzyme shape changes slightly when the substrate binds?

Increasing temperature above the optimum generally causes:

What happens when an enzyme becomes denatured?

Which factor is LEAST likely to affect enzyme activity?

Competitive inhibitors work by:

Noncompetitive inhibitors typically bind:

Which molecule may assist enzyme function?

Organic cofactors are often called:

If substrate concentration increases while enzyme concentration remains constant, the reaction rate will:

Enzyme specificity is mainly due to:

Which graph relationship is expected at very high substrate concentrations?

Allosteric regulation involves:

The products of an enzyme-catalyzed reaction:

Which condition is most likely to reduce enzyme activity?

An enzyme-catalyzed reaction can be represented as: