Question

define endocytosis , phagocytosis , potocytosis receptor - mediated transport

Answer 1

Endocytosis is a process in which a living cell intake some material by forming a vacuole via cell membrane extension inside the cell.
Phagocytosis is a process in which a cell (usually a phagocyte or a protist) engulfs a solid particle to form an internal vesicle known as a phagosome.