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Class 12BiologyMolecular Basis of InheritanceThe DNA
Easy

Erwin Chargaff $(1950)$ estimated that . . . . . . .

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  • A
    $\frac{A + T}{G + C}$ ratio in a $DNA$ molecule remains constant for a particular species.
  • B
    pyrimidines and purines always occur in equal proportion.
  • C
    nitrogen bases are placed regularly along the $DNA$ molecule at a distance of $3.4 \ \text{Å}$.
  • D
    purine and pyrimidine bases are linked by glycosidic bond.
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Class 12 Questions

Class 12

Biology Questions

Chapter

Molecular Basis of Inheritance

Subtopic

The DNA

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