A Bacterial Allele That Provides Resistance to the Antibiotic Streptomycin

A bacterial allele that provides resistance to the antibiotic streptomycin is

A) always beneficial to the bacterial cell.
B) beneficial to the cell in the presence of streptomycin.
C) neither beneficial nor detrimental to the cell.
D) always detrimental to the cell.
E) beneficial to the cell in the presence of any antibiotic.