One of the Earliest Antimicrobials Isolated from a Bacterium Was

Question

One of the earliest antimicrobials isolated from a bacterium was
A)penicillin.
B)ampicillin.
C)Salvarsan.
D)streptomycin.

Accepted Answer

Streptomycin was one of the earliest antimicrobials isolated from a bacterium. It was first isolated from the bacterium Streptomyces griseus in 1943 by Selman Waksman and his team. Penicillin, ampicillin, and Salvarsan were not isolated from bacteria, but rather from fungi (penicillin and ampicillin) or synthetic methods (Salvarsan).