EVERYDAY SCIENCE

SCIENCE

CELL BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Endocytosis is used by the cells to
A
Ingest bacteria and dead cells
B
Secrete large molecules into extracellular space
C
Retrieve elements of cell membrane after exocytosis
D
None of these
Explanation: 

Detailed explanation-1: -Endocytosis is a type of active transport that moves particles, such as large molecules, parts of cells, and even whole cells, into a cell. There are different variations of endocytosis, but all share a common characteristic: the plasma membrane of the cell invaginates, forming a pocket around the target particle.

Detailed explanation-2: -Endocytosis is the process of capturing a substance or particle from outside the cell by engulfing it with the cell membrane, and bringing it into the cell. Exocytosis describes the process of vesicles fusing with the plasma membrane and releasing their contents to the outside of the cell.

Detailed explanation-3: -Endocytosis is the process of a cell engulfing and bringing a material or particle from outside the cell inside the cell by enveloping it with the cell membrane. In exocytosis, the plasma membrane becomes fused with vesicles, releasing the contents to the cell’s exterior.

Detailed explanation-4: -What happens to the membrane of a vesicle after exocytosis? It leaves the cell.

Detailed explanation-5: -Function of Endocytosis Endocytosis is used for receptor signaling, nutrient uptake, membrane remodeling, pathogen entry, and neurotransmission, as well as modulating cell signaling responses. In developing tissues, it has been found that endocytosis aids in cell migration.

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