The image that is been shown in this question explained endocytosis
Endocytosis can be regarded as general term that describes a process whereby there is an absorption of external material by engulfing of the material with the cell membrane.
Endocytosis can as well be subdivided into two types which are; pinocytosis and phagocytosis.
pinocytosis comes to play If the antigen has a very small-molecular-weight protein or small weighted polysaccharide, then there will be invagination of the cell membrane in a process of pinocytosis, here the protein material or carbohydrate material will be placed in a fluid-filled sack known as vesicle.
phagocytosis: when there is internalization of Large-molecular-weight antigens by a different form of endocytosis, and this is known as phagocytosis.
During this process, the membrane will envelopes the particle so that phagosome which is an internal vacuole.
Active transport can be regarded as movement of a solute from region having low electrochemical potential at one side membrane of the cell to region with higher electrochemical potential on opposite side.
Exocytosis can be regarded as a process whereby waste is been excreted as well as other large molecules out of the cytoplasm to the cell exterior which is opposite of endocytosis.
Therefore, the shown image described endocytosis
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