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- DictionaryLy·so·some/ˈlīsəˌsōm/
noun
- 1. an organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane.
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- Lysosome
Small lytic vacuole with cell cycle-independent morphology, found in most animal cells; contains a variety of hydrolases, most of which have their maximal activities in the pH range 5-6
A lysosome is a single membrane-bound organelle found in many animal cells. They are spherical vesicles that contain hydrolytic enzymes that digest many kinds of biomolecules. A lysosome has a specific composition, of both its membrane proteins and its lumenal proteins. The lumen's pH (~4.5–5.0) is optimal for the enzymes involved in hydrolysis, analogous to the activity of the stomach. Wikipedia
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