Biology, 14.07.2019 06:10 pramirez5169
You have isolated a strain of e. coli that is resistant to penicillin, streptomycin, chloramphenicol, and tetracycline. you also observe that when you mix this strain with cells of e. coli sensitive to the four antibiotics, they become resistant to streptomycin, penicillin, an chloramphenicol, but remain sensitive to tetracycline. explain what is happening. be thorough and complete in your answer.
Answers: 1
Biology, 21.06.2019 19:30
What will happen to a population of predators if there is a sudden, temporary increase in the number of prey? a. the population of predators will be uniform with no change. b. the population of predators will increase first and then decrease slowly. c. the population of predators will increase continuously.
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Biology, 22.06.2019 09:00
What happens when water’s salinity increases? mass decreases. freezing point decreases. buoyancy of objects decreases. the amount of dissolved minerals decreases.
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You have isolated a strain of e. coli that is resistant to penicillin, streptomycin, chloramphenicol...
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