MCQ
It increases the efficiency with which $DNA$ enters the bacterium through pores in its cell wall.
- A$PO^-_4$
- B$CI^-$
- ✓$Ca^{++}$
- D$Na^{++}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$R$ : Each restriction enzyme recognises a specific palindromic nucleotide sequence in the $DNA$.
$R$ : Genetic modification of organisms can have unpredictable results when such organism are introduced into the ecosystem.