Assertion : $β - p l e a t e d$ sheet structure of protein shows maximum extension. Reason: Intermolecular hydrogen bonding is present in them.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
$β$ -pleated sheet structure of protein shows maximum extension (A), and also has intermolecular hydrogen bonding (B). But, B is not the reason for A.

The hydrogen bonds are formed between $C = O$ of one polypeptide chain with $- N H$ of other chain to give a $β$ -pleated sheet structure of protein. But this is not responsible for the extension of the sheet.

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Similar questions

Assertion (A) Boiling points of alcohols and ethers are high.
Reason (R) They can form intermolecular hydrogen-bonding.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

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