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Biological illustrations for lysosomic enzymes

What are various biological illustrations in which lysosomic enzymes play a basic role?

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The re-modelation of osseous tissue, the function of acrosomes in sperm cells and the removal of the tadpole tail are illustrations of biological processes in which lysosomic enzymes are main factors.

The bone is a tissue made up of osteoblast-containing matrix (that is, osteoblasts are the secretory cells of osseous matrix), osteocytes (that is, mature bone cells) and osteoclasts (that is, the re-modeling cells). Osteoclasts are accountable for the continual renovation of the osseous tissue as their lysosomic enzymes digest the osseous matrix. The sperm acrosome, for carrying digestive enzymes in, is accountable for the perfuration of the egg cell membrane in the fertilization procedure.

The acrosome, situated in the anterior end of the sperm cell, is a specialized area of the Golgi apparatus which accumulates a huge amount of digestive enzymes.

In tadpoles the tail degenerates whereas the organism develops into an adult frog.

This tissue destruction is a digestion of tail's own cells and extracellular materials and it is made up by lysosomes and their enzymes. The whole digestion of a cell by its own mechanisms is termed as autolysis, a kind of apoptosis (that is, cell suicide).

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