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What is Chargaff's rule?...

What is Chargaff's rule?

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Chargaff's rule states that total number of purine bases is equal to the total number of pyrimidine bases, i.e., they are in the ratio of 1 : 1.
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Knowledge Check

  • With respect to Chargaff's rule, select the option that shows appropriate base pairing.

    A
    AG, CT
    B
    AC, GT
    C
    AT, GC
    D
    All of these

  • According to the Chargaff's rule, "The ratios between Adenine (A) and ................ and Guanine (G) and ................... are constant and equal to one in a double-stranded DNA." a) Thymine, Cytosine b) Cytosine, Thymine c) Lysine, Arginine d) Arginine, Lysine

    A
    Thymine, Cytosine
    B
    Cytosine, Thymine
    C
    Lysine, Arginine
    D
    Arginine, Lysine

  • Find the odd one out, with respect to Chargaff's rule.

    A
    `A+T= C+G`
    B
    `A+G = C+T `
    C
    `(A+G)/(C+T)=1`
    D
    Base ratio A/T is close to unity and C/G is also close to unity

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    Assertion (A): Chargaff's rule is applicable to RNA. Reason (R): RNA contains deoxyribose sugar in them.

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