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In one polynucleotide chain of DNA molec...

In one polynucleotide chain of DNA molecule the ratio of A+T/G+C=0.3.what is the ratio of A+G/T+C in the entire DNA molecule

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Knowledge Check

  • According to chargaff's rule. In one polynucleotide chain of a DNA molecule, the ratio of A+T/G+C = 0.4 , what is the A+G/T+C ratio in entire DNA molecule :-

    A
    `0.4`
    B
    `0.6`
    C
    `0.8`
    D
    1

  • In one polyncleotide strand of a DNA molecule the ratio of A+T//G+C is 0.3 . What is the A+G//T+C ratio of the entire DNA molecule ?

    A
    0.3
    B
    0.6
    C
    1.2
    D
    1

  • In a DNA molecule, the adenine is 15% . What will be the percentage of guanine in this DNA ?

    A
    0.15
    B
    0.35
    C
    0.7
    D
    0.3

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    Purines (Adenine and Guanine) and Pyrimidines (Cytosine and Thymine) are present in DNA in an equal ratio. Also, Purines and Pyrimidines are complementary in a polynucleotide chain. It means that the number of Adenine molecules should be equal to the number of Thymine molecules and the number of Gunanine molecules should be equal to the number of Cytosine molecules. In a given strands of DNA, the base sequence is AGTCATGAT. What will be the basic sequence of its complementary strand.

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