The Region of the Enzyme Molecule That Interacts with a Substrate

Question

The region of the enzyme molecule that interacts with a substrate is called the ______.
A) cofactor
B) active site
C) reaction site
D) enzyme product site
E) enzyme-substrate complex

Accepted Answer

The active site of an enzyme is the region that binds to the substrate and where the chemical reaction occurs. This site is specifically shaped to fit the substrate, facilitating the enzyme's catalytic function.