Question attached
Answer:
Explanation:
An enzyme is a biological substance(particularly protein) that catalyze a chemical reaction in a cell. They have an active site to which a substrate molecule bind, thus forming an enzyme- substrate complex. Sometimes an enzyme has to change its shape slightly so that a substrate molecule can bind to it. This phenomenon is called induced fit.
Cofactors are non protein substances, such as metal ions that are required for the speed up the catalytic activity of an enzyme