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Assertion : Gap junctions perform cement...

Assertion : Gap junctions perform cementing function to keep the neighbouring cells together
Reason : Tight junction facilitates the cells to communicate with each other by connecting the cytoplasm of adjoining cells, for rapid transfer of ions, small and big molecules

A

if both are true with reason being correct explanation

B

both true but reason is not correct explanantion

C

assertion is true but reason is wrong

D

both are wrong

Text Solution

Verified by Experts

The correct Answer is:
D
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Assertion : Gap junctions perform cementing functio 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.

_____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.

_______junctions perform cementing to keep neighbrouring cells together.

A: Gap junctions connect the cytoplasm of adjoing cells. R: Gap junctions facilitate the cells to communicate wiith each other.

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Read the following statements carefully : (1) Gap junction facilitates the cells to communicate with each other by connecting the cytoplasm of two adjoining cells to cytoplasm of two adjoining cells . (2) Adhering junctions help to stop substances from leaking across a tissue . (3) compound epithelium covers the dry surface of the skin only and provides protection against chemical and mechanical stresses. (4) most of the bones in vertebrates embryos are replaced by cartilages in adults. How many of the above statement is/are correct ?

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