Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2010

  • question_answer
    Which is the unit of DNA?

    A)  Chromatin                         

    B)  Euchromatm

    C) Chromosomes                 

    D)  Chromatids

    Correct Answer: A

    Solution :

    DNA is bound to proteins in the nucleus forming a complex called chromatin. In a cell that is not dividing, the chromatin is strung out looking like strands of microscopic pearls. But as a cell begins to divide, the DNA coils more tightly around the proteins condensing to form shortened,   thickened   structure   called chromosome.


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