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Antibiotic Resistance



1.a) A colony of

antibiotic-resistant bacteria is mixed with a colony of antibiotic-sensitive bacteria. After a few days ALL of the bacteria are now resistant to the antibiotic. Which of these is most likely to result in this rapid spread of resistance in a bacterial population? (assuming no antibiotic resistant bacteria died)


-Conjugation


-Binary fission


-Transformation


-Transduction


1.b) A colony of antibiotic-resistant bacteria is mixed with a colony of antibiotic-sensitive bacteria. After a few days grown in the presence of antibiotics, all of the bacteria are resistant to the antibiotic. Which of these is most likely to result in this rapid spread of resistance in a bacterial population?

Group of answer choices


-Conjugation


-Transformation


-Transduction


-All of the above are equally responsible for the spread of antibiotic resistance

 

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