What are antibiotics? How does antibiotic resistance develop in bacteria?</h2></div>

Which protein helps in DNA winding?

REN are called as molecular scissors. Why?</h2></div>

Which cleaves DNA at specific sites producing sticky ends?<span><br> </span></h2></div>

In nomenclature of REN (restriction endo - nuclease) <span class="katex"><span class="katex-html…

Who invented it?</h2></div>

Recombinant DNA or rDNA technology was discovered by<span><br> </span></h2></div>

Which one of the following bacteria causes crown gall disease?</h2></div>