What is endocytosis? State its significance. Why is it found in animals only?
Answers
Answer:
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Explanation:
Endocytosis is the engulfing of food by a cell. It is also called cell eating. Plants can make their own food so they don't use endocytosis but animals like paramecium and amoeba engulf their food by endocytosis
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Endocytosis is the taking in of matter by a living cell by invagination of its membrane to form a vacuole.
Significance
Endocytosis enables uptake of nutrients and helps to control the composition of the plasma membrane. The process is important for the regulation of major cellular functions such as antigen presentation or intracellular signaling cascades.
Why is it found in animals only?
Endocytosis is found only in the animal cells because animal cells lack a cell wall outside the plasma membrane. It is not associated with plant cells.
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