Digest and recycle the cell's used components by breaking down proteins, nucleic acids, lipids, and carbohydrates. a). vesicles . b). ribosomes . c). lysosomes . d). endoplasmic reticula

A lysosome is spherical membrane-bound organelle. In the lysosome, there are many hydrolytic enzymes which role is to break down different kind of molecules and components used by the cell. The pH inside of the lysosome is low (acidic: 4.5 - 5.0) which is optimal for enzymes. Also, there are substances involved in energy metabolism, cell signalling, etc.

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