ï»¿ What are the functions of lysosomes?  from Biology Cell : The Unit of Life Class 11 Assam Board

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What are the functions of lysosomes?

Lysosomes performs various function like:

1. They help in the digestion of proteins, carbohydrates and lipids as they possess hydrolytic enzmes like proteases, carbohydrases and lipases.

2.Cellular digestion. When a cell dies during the pathological conditions or when a cell grows old due to natural ageing, the lysomes help in the digestion and removal of such cells.

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What is the function of contractile vacuole in amoeba?

Excretion.
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State one difference between gram positive and gram negative bacteria.

Gram positive bacteria retains the gram stain whereas the Gram negative bacteria does not.Â
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Who reported that the cell had an outer layer which is known as plasma membrane today?

Theodore Schwann
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Who concluded, “Cells are the ultimate units forming the structure of all plant tissues”?

Mathias Schleiden.
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Â What are receptor molecules ?

Receptor molecules are specific proteins in the cell's plasma membrane that receive chemical signals from outside the cell.Â When such chemical signals bind to a receptor, they cause some form of cellular response.Â
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