What feature is shared between all three types of...

What feature is shared between all three types of endocytosis? Vesicles engulf entire organisms for defense or food. The plasma membrane forms a vesicle around the object. Vesicles engulf dissolved particles and liquids. Receptors on the cell surface bind specific proteins on certain molecules.

Endocytosis is a way substances can enter a cell. During endocytosis, an intracellular vesicle forms to take in substances. Endocytosis occurs in several different ways. Phagocytosis occurs when substances to be transported into the cell are engulfed. Digestion occurs when the resulting vacuole fuses with a lysosome. Pinocytosis occurs when a liquid or small molecule is transported into the cell through a vesicle. Receptor-mediated endocytosis is a form of pinocytosis where molecules first bind to specific receptor proteins, which migrate to or are already in a coated pit. Exocytosis is a way substances can exit a cell. During exocytosis, a vesicle fuses with a plasma membrane as secretion occurs. The Golgi apparatus often produces the vesicles that carry these cell products to the membrane.

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