MCQ
During PCR technique the pairing primers to ss DNA segment is called?
- AIsolation
- ✓Annealing
- CDenaturation
- DPolymerization
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Reason: Immune system weakens during $HIV$ infection.
| Column $-I$ | Column $-II$ |
| $(A)$ Tuberculosis | $(i)$ Harmless virus |
| $(B)$ Whooping cough | $(ii)$ Inactivated toxin |
| $(C)$ Diphtheria | $(iii)$ Killed bacteria |
| $(D)$ Polio | $(iv)$ Harmless bacteria |