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Gap Junction

Which of the ...

Question

Which of the following junctions facilitate cell communications?

A

Tight junctions

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B

Adherens junctions

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C

Gap junctions

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D

Plasmodesmata

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Solution

The correct option is C Gap junctions
Tight junctions stop substances from leaking across the tissue.
Adherens junction cement the neighbouring cells together.
Gap junctions facilitate cell communications by movement of ions and molecules between adjacent cells.
Plasmodesmata are intercellular cytoplasmic connections found in the case of plants. They are not found in animal cells.

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Similar questions

Q. Cell junction facilitating cell to cell communication is?

_______________ junctions perform cell to cell communication.

Q. Assertion: Gap junctions perform cementing function to keep the neighbouring cells together.

Reason: Tight junctions facilitate the cells to communicate with each other by connecting the cytoplasm of adjoining cells, for rapid transfer of ions, small and big molecules, etc.

Q. Read the following statements and choose the correct answer.

I. Gap junctions cement adjacent cells together.
II. Areolar tissue contains fibroblasts, macrophages and mast cells.
III. Tight junctions facilitate the cells to communicate with each other.
IV. Adhering junctions help to stop substances from leaking across tissues.
V. Cells of connective tissue except blood secrete fibers of structural proteins called elastin.

Q. Given below are the functions of cell junctions.
1. Help to stop substances from leaking across a tissue.
2. Perform cementing to keep neighbouring cells together.
3. Facilitate the cells to communicate.

Choose the correct option.

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