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NEET Biology Biomolecules / जैव-अणु Question Bank Self Evaluation Test - Biomolecules

  • question_answer
    Denaturation of DNA is accompanied by the following changes except:

    A) Increase in viscosity

    B) Hyperchromicity

    C) Unstacking of bases

    D) Destabilisation of DNA helix

    Correct Answer: A

    Solution :

    [a] Viscosity decreases when DNA is denatured. The hyperchromacity is dye to unstacking of bases and strand separation. Unwinding occurs due to disruption of hydrogen bonds.


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