
Concept explainers
To describe:
The role of enzymes in
Introduction:
Enzymes are chemical catalyst which accelerate a chemical reaction in a cell. The catalyst is a chemical substance or protein that causes increase in the

Explanation of Solution
Enzymes accelerate a chemical reaction by increasing the reaction rate and decreasing the activation energy. Reaction rate of a chemical reaction is needed for the formation of product, which is influenced by enzymes. It speeds up the chemical reaction.
All the chemical reactions need an input of energy for processing which is termed as activation energy
There are various characteristics of enzymes. Three of them are as follows:
- i. In a chemical reaction, enzyme causes the formation of a complex that contains reactants and products. The substrate (S) is a reactant in a reaction that is catalyzed by an enzyme (E). It is further converted into product (P) of the reaction.
- ii. The enzymes that catalyze the rate of reaction of a chemical reaction are highly specific. Enzymes are specific for both substrate and product of a chemical reaction.
- iii. The activity of enzyme in a reaction can be influenced by activators and inhibitors. The activator causes increase in the activity of an enzyme, while inhibitor decreases the activity of an enzyme in a chemical reaction.
The enzymes are intermediate molecules that permit the chemical reaction to occur in a cell.
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