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Suicidal bag of cell
why is lysosome called sucidal bag ?
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pmt neet discussion forum
Re: Suicidal bag of cell

Lysosomes are the cell's waste disposal system and can digest some compounds. They are used for the digestion of macromolecules from phagocytosis (ingestion of other dying cells or larger extracellular material, like foreign invading microbes), endocytosis (where receptor proteins are recycled from the cell surface), and autophagy (where in old or unneeded organelles or proteins, or microbes that have invaded the cytoplasm are delivered to the lysosome). Autophagy may also lead to autophagic cell death, a form of programmed self-destruction, or autolysis, of the cell, which means that the cell is digesting itself.

pmt neet discussion forum
Re: Suicidal bag of cell

Lysosomes are cellular organelles that contain acid hydrolase enzymes that break down waste materials and cellular debris. These are non-specific. They can be described as the stomach of the cell. They are found in animal cells, while their existence in yeasts and plants are disputed. Some biologists say the same roles are performed by lytic vacuoles, while others suggest there is strong evidence that lysosomes are indeed in some plant cells.

 Lysosomes digest excess or worn-out organelles, food particles, and engulf viruses or bacteria. The membrane around a lysosome allows the digestive enzymes to work at the 5 pH they require. Lysosomes fuse with vacuoles and dispense their enzymes into the vacuoles, digesting their contents. They are created by the addition of hydrolytic enzymes to early endosomes from the Golgi apparatus. The name lysosome derives from the Greek words lysis, to separate, and soma, body. They are frequently nicknamed "suicide-bags" or "suicide-sacs" by cell biologists due to their autolysis. 

Lysosomes were discovered by the Belgian cytologist Christian de Duve in 1949.

pmt neet discussion forum
Re: Suicidal bag of cell

Lysosomes are called the suicide bags of the cells. they contain digestive enzymes, and break down food, cellular debris and foreign invaders like bacteria. in the event that the cell is injured beyond repair, or becomes old, the lysosome digests the cell, hence the name 'suicide bag of the cell'.

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