Question

why endocytosis is found only in animal cell

Answer 1

endocytosis is generally occurs in animal cells rarely plant cells. as the cell membrane in plant cells is surrounded by a rigid cell wall. cell wall causes hindrance in the invagination of plasma membranewhich forms the transport vesicles for the transfer of substances in the cytoplasm if the cell.
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Answer 2

In the process of endocytosis animal take their food from out side where as in plant there is no need to take food out side, so endocytosis is found only in animals. Endocytosis is only a method of taking food from out side for the animals.