- ABacteria and fungi
- BBacteria and viruses
- CBacteria, algae and viruses
- DBacteria, fungi and viruses
Explanation:
An antibiotic is a chemical substance produced by a microorganism that can kill or inhibit the growth of other microorganisms such as bacteria and fungi and thus used to treat bacterial and fungal infections. It kills the bacteria by causing the cell walls to disintegrate.
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$(i)$ Avoid sex with unknown partners
$(ii)$ Use condoms during coitus
$(iii)$ Blood transfusion
$(iv)$ All of these
$II.$ If a foreign $DNA$ ligates at the Bam Hl site oftetracycline resistance gene in the vector $pBR322$, the recombinant plasmid loses the tetracycline resistance due to insertion offoreign $DNA$.
Choose regarding the above statements.