MCQ
Viruses have
- ✓$DNA$ enclosed in a protein coat
- BProkaryotic nucleus
- CSingle chromosome
- DBoth $DNA$ and $RNA$
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$a -$ cell cycle can vary from organisation to organism and also from cell type to cell type.
$b -$ $DNA$ synthesis occurs only in pachytene.
$c-G_1$ phase corresponds to the interval between mitosis and initiation of $DNA $ reproduction.