Q. Regarding resistance to antibiotics (Solved)
1. Penicillinases cannot inactivate cephalosporins
2. Macrolides can be inactivated by transferases
3. Mutation of aminoglycoside binding site is its main mechanism of resistance
4. Tetracycline resistance is a marker for multidrug resistance
5. Resistance to antibiotics is rarely plasmid encoded
- c. Mutation of aminoglycoside binding site is its main mechanism of resistance