The membrane-bound organelles contain enzymes that are capable of degrading biomolecules such as proteins, lipids carbohydrates, and nucleic acids.
Two main functions of lysosomes:
The intracellular digestive system of cells: Lysosomes serve as the intracellular digestive system of a cell as it protects the cell from the invasion of virus or bacteria by destroying them with its enzymes.
Suicidal bags of cells: Lysosomes function to remove all the cell debris and worn-out cell organelles.