niti
Forum Guru
Topics: 36
Posts: 499
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R factors:
A. Are small plasmids which encode resistance to only one type of antibiotic
B. Contain plasmid elements (replication origins, incompatibility determinants, etc.) that were widespread in the pre-antibiotic era
C. Represent genetically engineered cloning vectors which have escaped into pathogenic bacteria
D. All of the above are correct
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| kmp
Forum Elite
Topics: 38
Posts: 311
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ans A) ???
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| niti
Forum Guru
Topics: 36
Posts: 499
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Nope.. D
Ans. is
B. Contain plasmid elements (replication origins, incompatibility determinants, etc.) that were widespread in the pre-antibiotic era
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