NEET Biology Molecular basis of Inheritance / विरासत का आणविक आधार Question Bank Nucleic acid (DNA/RNA)

  • question_answer
    A given double stranded DNA molecule is 1,00,000 base pairs long. The length of this DNA molecule will be

    A) 10,000 nm

    B)

    C) \[{{10}^{4}}nm\]

    D) 2, 00, 000 nm

    Correct Answer: B

    Solution :

    The length of this DNA molecule will be\[3.4\times {{10}^{4}}nm\]because one complete spiral of the helix is 3.4nm\[(34{{A}^{o}})\]long and has 10 base pairs.


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