MCQ
It increases the efficiency with which $DNA$ enters the bacterium through pores in its cell wall.
- A$PO^-_4$
- B$CI^-$
- ✓$Ca^{++}$
- D$Na^{++}$
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| Column $I$ | Column $II$ |
| $A$. Taxon | $I$. Basic unit of classification |
| $B$. Species | $II$. A taxonomic group of any rank |
| $C$. Phylum | $III$. Division is the same category in case of plants. |
| $D$. Genus | $IV$. Identified based on a number of similar characters |
| $E$. Order | $V$. Group of related species having more character in common with others species |