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The Number of Purines in a Segment of Dna Molecule is 68. What Will Be the Number of Pyrimidines in this Segment? - Structure of DNA and RNA

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The number of purines in a segment of DNA molecule is 68. What will be the number of pyrimidines in this segment?

(a) 34

(b) 43

(c) 68

(d) 86

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Solution

(c) 68
According to Chargaff’s rule, the number of purines is always equal to the number of pyrimidines, i.e. A + G = T + C.

Concept: Structure of DNA and RNA
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