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Q.

Given below are two statements. One is labelled Assertion (A) and the other is labelled Reason (R).

Assertion: Cell junctions are found in the epithelium and other tissues.

Reason: Gap junctions connect the cytoplasm of adjoining cells.

In light of the above statements, choose the correct answer from the options given below.

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a

Both (A) and (R) are false.

b

(A) is true but (R) is false.

c

Both (A) and (R) are true but (R) is not the correct explanation of (A).

d

Both (A) and (R) are true and (R) is the correct explanation of (A).  

answer is B.

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Detailed Solution

Both (A) and (R) are true but (R) is not the correct explanation of (A).

Assertion (A): "Cell junctions are found in the epithelium and other tissues." This statement is true. Cell junctions are specialised structures that connect adjacent cells in tissues. They are found in muscle tissue as well.

Reason (R): "Gap junctions connect the cytoplasm of adjoining cells." This statement is also true. Gap junctions are a type of cell junction that forms channels between adjacent cells, allowing for the direct exchange of ions, small molecules, and signaling molecules. These channels connect the cytoplasm of neighboring cells, facilitating intercellular communication and coordination of cellular activities.

However, (R) does not explain (A).

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Given below are two statements. One is labelled Assertion (A) and the other is labelled Reason (R).Assertion: Cell junctions are found in the epithelium and other tissues.Reason: Gap junctions connect the cytoplasm of adjoining cells.In light of the above statements, choose the correct answer from the options given below.