Question

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Answer 1

Answer:

The mitochondrion is a double-membraned, rod-shaped structure found in both plant and animal cell. ... The outer membrane covers the surface of the mitochondrion and has a large number of special proteins known as porins. It is freely permeable to ions, nutrient molecules, energy molecules like the ADP and ATP molecules.

Explanation:

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Answer 2

Answer:

mitochondria is the power house of the cell

Explanation:

the outer layer is called cell membrane which will be there in all the types of cells in animal body...

it releases atp(Adenosine triphosphate) known as biochemical I animal body...