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Which one of the following do not have a self-transmissible plasmid?

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in Drug Biotechnology by (138k points)
Which one of the following do not have a self-transmissible plasmid?

(a) E. colli

(b) Streptococcus

(c) Bacillus

(d) Enterococcus

The question was asked in an interview for internship.

Question is taken from Genetic Recombination in division Genetic Recombination of Drug Biotechnology

1 Answer

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Best answer
Correct answer is (a) E. colli

The explanation is: Self transmissible plasmid are only present on gram positive bacteria such as Bacillus, Streptococcus, Enterococcus, Staphylococcus, and Streptomyces. For these organisms the sex pilus is not required for plasmid transfer.

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