BULK
TRANSPORT: cells have
also developed mechanism to transport across the membrane, larger molecules
cannot pass through the membrane , generally like secretory molecules like
protein, hormones . This
transportation is done by the formation
of carrier vesicles.
ENDOCYTOSIS:
molecules are transported insides the cells by a process called endocytosis.
It is of two type :
1.Pinocytosis: intake of fluid ion through the vesicles, is called pinocytosis and its also called
cell drinking.
2.Phagocytosis: intake of food , cell eating , for eg: macrophages, white
blood cells , and amoeba etc.
EXOCYTOSIS:
molecules are transported outside the cells by a process called exocytosis. Exocytosis perform secretion ,
excretion, and ephagy.
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जवाब देंहटाएंHorizontal immersed Gel Electrophoresis Unit
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