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Biomolecules — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYBiomolecules1 Mark
MCQ
Radioactive thymidine when added to the medium surrounding living mammalian cells gets incorporated into the newly synthesized $\text{DNA.}$ Which of the following types of chromatin is expected to become radioactive if cells are exposed radioactive thymidine as soon as they enter the $S-$phase?
  • A
    Heterochromatin.
  • ✓
    Euchromatin.
  • C
    Both $(a)$ and $(b).$
  • D
    Neither heterochromatin nor euchromatin but only the nucleolus.
✓

Answer

Correct option: B.
Euchromatin.
Euchromatin.

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