Question

write about Tight junctions,Adhering junctions,Gap junctions​

Answer 1

Answer:

HERE'S THE ANSWER

Explanation:

TIGHT JUNCTIONS:

Tight junctions are areas where the membranes of two adjacent cells join together to form a barrier. ... Tight junctions bind cells together, prevent molecules from passing in between the cells, and also help to maintain the polarity of cells.

ADHERING JUNCTION:

Adherens junctions are protein complexes that occur at cell–cell junctions in epithelial and banda endothelial tissues, usually more basal than tight junctions. An adherens junction is defined as a cell junction whose cytoplasmic face is linked to the actin cytoskeleton.

Gap junctions:

Gap junctions are a specialized intercellular connection between a multitude of animal cell-types. They directly connect the cytoplasm of two cells, which allows various molecules, ions and electrical impulses to directly pass through a regulated gate between cells.

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Answer 2

Answer:

Tight junctions :

• Helps to stop substances from leaking across a tissue.

Adhering junctions :

• Performs cementing to keep neighbouring cells together.

Gap junctions :

• Facilitate the cells to communicate with each other by connecting the cytoplasm of adjoining cells, for rapid transfer of ions, small molecules and sometimes big molecules.

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