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Cell : The Unit of Life

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12
Both lysosomes and vacuoles are endomembrane structures, yet they differ in terms of their function. Comment

The vacuoles and lysosomes both are endomembrane structures but differ in the functin as vacuoles perform the function of storage whereas the lysosomes carry out the function of digestion. The lysosome has hydrolytic enzymes and carries out digestion of proteins, carbohydrate and lipids. The vacuoles store waste material. The food vacuole stores food. 

Who reported that the cell had an outer layer which is known as plasma membrane today?

Theodore Schwann 

What is the function of contractile vacuole in amoeba?


 What are receptor molecules ?

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

State one difference between gram positive and gram negative bacteria.

Gram positive bacteria retains the gram stain whereas the Gram negative bacteria does not. 

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

Mathias Schleiden.