MCQ
In retroviruses$, \text{RNA}$ dependent $\text{DNA}$ polymerase synthesizes:
- A$\text{DNA}$
- B$\text{RNA}$
- ✓$\text{RNA-DNA}$
- DNone of the above
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$I$. Maintaining the ecological process.
$II$. To enrich the wild life diversity with exotic species.
$III$. Preventing migration of species.
$IV$. Maintaining the diversity of life.
The correct statement are