Which one of the following does not belong with the others? a. bacitracin b. cephalosporin c. penicillin d. monobactam e. streptomycin

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).

the second one is wrong

explanation:

answer; the above is a (true) statement;