Exconjugant

... phenotype and other is with recessive. 7. I guess it is right. 8. I am not sure of other, but a) I think is right. I doubt just for time... 9. c) Exconjugant will have arg gene (arg+), so it no more needs arginine in the media. But as you see in b media isn't arginine also, but streptomycin is. ...

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... and recipient strains: Donor: Hfr, thi, pro Recipient: F-, thi, leu, arg, rpsL Which of the following media would enable the selection of an arg+ exconjugant? a) glucose, thiamine, arginine, streptomycin b) glucose, thiamine, leucine, streptomycin c) glucose, thiamine, proline d) glucose, thiamine, ...

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