Cellular Basics

Structures Inside Cells

What is the function of lysosomes?

Lysosomes are single, membrane-bound sacs that contain digestive enzymes. The digestive enzymes break down all the major classes of macromolecules, including proteins, carbohydrates, fats, and nucleic acids. Throughout a cell’s lifetime, the lysosomal enzymes digest old organelles to make room for newly formed organelles. The lysosomes allow cells to continually renew themselves and prevent the accumulation of cellular toxins.


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