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In which of the following organism transformation occurs by the help of membrane vesicles?

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In which of the following organism transformation occurs by the help of membrane vesicles?

(a) S. pneumoniae

(b) H. influenzae

(c) E. colli

(d) M. tuberculosis

I had been asked this question in homework.

My question is from Genetic Recombination in chapter Genetic Recombination of Drug Biotechnology

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Right option is (b) H. influenzae

Easiest explanation: Haemophilus don’t produce a competence factor thus it donot become competent. It take up DNA from closely related species. Ds DNA, complexed with other proteins is then taken in membrane vesicles.

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