Streptomycin treatment is used in medicine. It s growth is to expose a sample of E.coli to streptomycin by innoculating it into a streptomycin positive plate. any colonies that grow will carry a mutation for resistance.
Streptomycin is simply regarded as an antibiotic which is often used to treat moderate to severe tuberculosis, pneumonia, E. coli, etc.
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How will you select and grow a resistant strain of E.coli in this experiment?multiple choice:
(1). expose a sample of E.coli to streptomycin by innoculating it into a streptomycin positive plate. any colonies that grow will carry a mutation for resistance,
(2.) expose a sample of E.coli to sterptomycin by innoculating it into a streptomycin negative plate, any colonies that grow will carry a mutation for resistance,
(3.) samples of bacteria are taken from the culture and observed under a microscope for signs of susceptibility or resistance. those that are resistant are separated and plated.
(4.) a culture of E.coli will be mixed with streptomycin so that the antibiotic can alter the genetic composition of the bacteria
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