A Cold Virus Produces an Enzyme Rhinase, Which Is Acted

Multiple Choice

A cold virus produces an enzyme rhinase, which is acted upon by a drug called rhinex.Rhinex is known to be a noncompetitive inhibitor of the viral enzyme.Which of the dashed lines in Figure 4.8 describes the action of the enzyme in the presence of drug? The solid line describes the action of the drug-free enzyme.

A) I.
B) II.
C) III.
D) IV.
E) V.