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Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYMolecular Basis of Inheritance1 Mark
MCQ
Meselson and Stahl carried out centrifugation in $\mathrm{CsCl}_2$ density gradient to separate:
  • A
    $\text{DNA}$ from $\text{RNA.}$
  • B
    $\text{DNA}$ from protein.
  • ✓
    The normal $\text{DNA}$ from ${ }^{15} \mathrm{N}-\mathrm{DNA}$.
  • D
    $\text{DNA}$ from $\text{tRNA}.$
✓

Answer

Correct option: C.
The normal $\text{DNA}$ from ${ }^{15} \mathrm{N}-\mathrm{DNA}$.

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