In general, an enzyme has one active site at which catalysis can occur. When the
ID: 23551 • Letter: I
Question
In general, an enzyme has one active site at which catalysis can occur. When the substrates are bound to the active site, the enzyme will catalyze the reaction. As the concentration of substrate increases, the reaction rate increases, until the point where the active site is saturated with substrate. When the enzyme is saturated, the rate of the reaction will not increase with the concentration of substrates.
Look at the graph of reaction rate versus substrate concentration for an enzyme.
In which region does the reaction rate remain constant?
region A
region B
region C
Explanation / Answer
Correct answer is C