IMAT 2014 Q41 [Enzyme Reactions]

Which curves show the results of calculating the initial rate of reaction of an enzyme:

  1. when the substrate concentration is varied, under optimal conditions and without an inhibitor;

  2. when the substrate concentration is varied, under optimal conditions and fixed, low concentration of a competitive inhibitor?

image

A. (1) curve P; (2) curve S
B. (1) curve R; (2) curve P
C. (1) curve Q; (2) curve R
D. (1) curve P; (2) curve Q
E. (1) curve R; (2) curve S