MCQ
$DNA$ repairing is done by
- ✓Ligase
- B$DNA$ polymerase $III$
- C$DNA$ polymerase $II$
- D$DNA$ polymerase $I$
(a) $DNA$ fragments can be rejoined/repaired under the appropriate renaturation condition by using the enzyme $DNA$ ligase to reform the missing phosphodiester linkages in each strand.
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$1.$ Viral $RNA$ replicates to form viral $DNA$ with the help of reverse transcriptase.
$2.$ The progeny viruses released in the blood attack other $T_H$ and destroy
$3.$ Viral $DNA$ gets incorporated into host cell's $DNA$ and produces virus particles
$4.$ Virus enters to macrophages