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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
Define Totipotent.

Totipotency is the capacity of a single cell to produce varied types of cellular structures and a whole orgnanism.
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What is the function of contractile vacuole in amoeba?

Excretion.
1170 Views

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

Theodore Schwann
1046 Views

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

Mathias Schleiden.
1517 Views

State one difference between gram positive and gram negative bacteria.

Gram positive bacteria retains the gram stain whereas the Gram negative bacteria does not.
1562 Views

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.
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