Question

Define the following terms
A,,,
Endocytosisi
Ans-​

Answer 1

Endocytosis is the process by which cells take in substances from outside of the cell by engulfing them in a vesicle. These can include things like nutrients to support the cell or pathogens that immune cells engulf and destroy.

Answer 2

Answer:

A process by which the contents of a cell vacuole are released to the exterior through fusion of the vacuole membrane with the cell membrane

or

Exocytosis is a form of active transport and bulk transport in which a cell transports molecules out of the cell. As an active transport mechanism, exocytosis requires the use of energy to transport material.

Function -

Exocytosis occurs when a vesicle fuses with the plasma membrane, allowing its contents to be released outside the cell. Exocytosis serves the following purposes: Removing toxins or waste products from the cell's interior: Cells create waste or toxins that must be removed from the cell to maintain homeostasis.

Types -

The three main types of exocytosis are phagocytosis, pinocytosis and receptor-mediated endocytosis.

Methods -

In exocytosis, membrane-bound secretory vesicles are carried to the cell membrane, where they dock and fuse at porosomes and their contents (i.e., water-soluble molecules) are secreted into the extracellular environment. This secretion is possible because the vesicle transiently fuses with the plasma membrane.

Explanation:

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