Which of the following statements best describes the induced-fit model of enzyme action?
A) In this model, the enzyme changes the shape of a substrate using a cofactor.
B) In this model, the enzyme adjusts it shape to adapt to the shape of the substrate.
C) In this model, the enzyme induces a change of polarity in the substrate that results in bonding.
D) In this model, the enzyme's active site is complementary to the shape of the substrate.
E) In this model, the enzyme's active site chemically reacts with the substrate.

Question

Quizplus · Accepted Answer

The induced-fit model of enzyme action describes the way in which an enzyme adjusts its shape to fit the shape of the substrate. As the enzyme interacts with the substrate, it undergoes changes in its shape that help to facilitate the chemical reaction. This is different from the lock-and-key model, which suggests that the enzyme's active site is already perfectly shaped to fit the substrate.

Which of the Following Statements Best Describes the Induced-Fit Model