Answer:
Enzymes are molecules, mainly proteins that affect the chemical reaction in cells.
Step-by-step explanation:
The biological molecules, basically proteins that regulate all the chemical reactions in organic substances are called enzymes. Enzymes widely help in body functioning, such as- digestion and increasing metabolism. They can both break and combine molecules.
Enzymes make the chemical reactions speedy. A particular reaction is regulated by a single enzyme. Enzyme deficiency can lead to many diseases. The enzymes work with molecules like substrates.