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Question

The intake of large sized liquid or solid macro biomolecules inside the cell through plasma membrane is called as

A
Endocytosis
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B
Exocytosis
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C
Peristalsis
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D
Hemogenesis
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Solution

The correct option is A Endocytosis

Exocytosis is a process in which the vesicle containing small particle is formed inside the cell, which then release the contents outside the cell by fusion of cell membrane and vesicular membrane. Peristalsis occurs in alimentary canal in which muscles move in wave-like fashion to move the food to different parts of alimentary canal. Hemogenesis is formation of new blood cells in bone marrow of a living body. Endocytosis is a process in which cells absorb molecules by of engulfing them. Cells use this mechanism, when the molecules are larger and polar hence, cannot pass through hydrophobic cell membrane. The process shows engulfment of small food particles by forming an invagination around it then forming a small vesicle. This vesicle is then taken inside the cell and then vesicle is broken down to release the food particle.


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