Refer to the figure below. A purified enzyme was subjected to changes in a variable (X) as its ability to catalyze its chemical reaction was measured.Based on the shape of the curve, which variable could X be?

Question

Refer to the figure below.  A purified enzyme was subjected to changes in a variable (X) as its ability to catalyze its chemical reaction was measured.Based on the shape of the curve, which variable could X be?

Quizplus · Accepted Answer

The shape of the curve indicates that the enzyme activity increases as substrate concentration increases until a point of maximum activity is reached, after which further increases in substrate concentration do not result in increased activity. This is typical of an enzyme-substrate reaction where the enzyme becomes saturated with the substrate at high concentrations. Time, temperature, buffer concentration, and reaction volume are unlikely to result in this shaped curve.

Refer to the Figure Below