ï»¿ What is compartmentalization ? from Biology Cell : The Unit of Life Class 11 Assam Board

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What is compartmentalization ?

Cells have numerous membrane bound organelles which divide the cell into different compartments. Each organelle has separate identity within the cell and can perform their functions independently and effciently. For example - the membrane of mitochondria divides it into two compartments one between the inner and outer membrane and the other inside the inner membrane.
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What is the function of contractile vacuole in amoeba?

Excretion.
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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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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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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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