1.

Assertion (A) :The two strands in double strand helix structure ofo DNA are complementary to each other Reaso (R ) : Disulphide bonds are formed between specific pairs of bases.

Answer»

Both Assertion (a) And Reason (R )are CORRECT Statement . And Reason (R )is the correct EXPLANATION of the Assertion (A)
Both Assertion (A) and Reason (R ) are correct statement , bbut Reason (R ) is not the correct expanation of the Assertion (A)
Assertion (A) is correct , but Reason (R ) is correct statement .
Assertion (A ) is incorrect but Reason (R ) Is correct statement.

ANSWER :C


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