12th Class Chemistry Biomolecules / जैव-अणु Question Bank Case Based (MCQs) - Biomolecules

  • question_answer
    Assertion : In \[\alpha \]-helix structure, intramolecular H-bonding takes place whereas in \[\beta \]-pleated structure, intermolecular H-bonding takes place.
    Reason : An egg contains a soluble globular protein called albumin which is present in the white part.
     

    A) Assertion and reason both are correct statements and reason is correct explanation for assertion.

    B) Assertion and reason both are correct statements but reason is not correct explanation for assertion.

    C) Assertion is correct statement but reason is wrong statement.

    D) Assertion is wrong statement but reason is correct statement.

    Correct Answer: B

    Solution :

    In \[\alpha \]-helix structure, the formation of hydrogen bonds takes place between \[-CO-\] and \[-NH\]groups, whereas in \[\beta \]-pleated structure, hydrogen bonds are formed between amide groups of two different chains.


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