What is a radical? in biology

Radical is an atom or a group of atoms of different elements that act as a single unit during chemical reaction.

Explanation:

For example: Hydrogen, Nitrogen,Nitride,Nitrate,Ammonium, etc.

lysosomes contain a variety of enzymes, enabling the cell to break down various biomolecules it engulfs, including peptides, nucleic acids, carbohydrates, and lipids (lysosomal lipase). the enzymes responsible for this hydrolysis require an acidic environment for optimal activity. hope i !