Lysosomes

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Lysosomes is a membranous sac of hydrolytic enzymes that animal cell uses to digest all kinds of macromoleules and waste.It work best in acidic enviornments. If the lysosome break open then the enzymes are inactive because the cytosol is neutral. If  large amount of lysosomes are leaked in the cell then the cell is destroyed by autodigestion. Lyosomes also use heir hydrolyic enzymes to recyclethe cell's own organic material (autophagy). During this cycle, the damaged organelle become surrounded by a membrane and a lysosomes fuses with this vesicle. The lysosomal enzyme dismantle the enclosed material and it is then be reused.