Answer:
Streptomycin.
Explanation:
Antibiotics are the chemicals that inhibit the growth or may directly kill the bacteria or other pathogenic organisms. The viral infections cannot be treated by the antibiotics.
β-lactam antibiotics are the drugs that contains beta-lactam ring in its structure. This inhibits the synthesis of cellwall in bacteria and prevent the individual from the bacterial infection. Among the listed antibiotics, all antibiotics are β-lactam antibiotics except streptomycin. Streptomycin cannot be used to inhibit the bacteria.
Thus, the correct answer is option (e).
