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Arginine (arg) is an amino acid. Streptomycin (str) is an antibiotic. For an auxotroph strain of E. coli with genotype arg- strS, which of the following medium can it grow? S denotes antibiotic sensitivity.Medium #1: minimal medium supplemented with arginineMedium #2: minimal medium with streptomycinMedium #3: complete mediumMedium #4: complete medium with streptomycin
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