dr.gurinder
Forum Junior
Topics: 16
Posts: 24
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BACTERIUM HARBORING 15000 BP PLASMID ENCODES RESISTANCE TO TETRACYCLINE AND AMPICILLIN SEGREGATE MUTANTS THAT LOOSE RESISTANCE TO EITHER DRUG.EACH INDEPENDENT MUTANT PLASMID APPEARS TO INCREASE IN SIZE BY APPROXIMATELY 5200 BP.WHICH MOLECULAR EVENT BEST EXPLAINS THESE FINDING?
1.FORMATION OF PLASMID CONCATEMERS
2.FORMATION OF PYRIMIDINE DIMERS
3.HOMOLOGOUS RECOMBINATION
4.INSERTION OF A TRANSPOSON
5.SLIP STRANDED DNA REPLICATION ERROR.
PLEASE EXPLAIN YOUR ANSWER.
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| r_albayunen
Forum Senior
Topics: 0
Posts: 218
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3 or 4?
ill go with 4
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| disha
Forum Senior
Topics: 5
Posts: 118
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i think its 4.PLASMIDS ARE EXTRACHROMOSOMAL MATERIAL THAT DO NOT TAKE PART IN ANY OF THE REMAINING EVENTS, SO I THINK 4 IS THE BEST OPTION.
SOMEONE PLEASE GIVE A CORRECT EXPLAINATION AND CORRECT ME IF IM WRONG.
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| paba
Forum Senior
Topics: 15
Posts: 57
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I think this a NBME q,if so please mention it as NBME
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| robin082006
Forum Hero
Topics: 471
Posts: 5,125
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I go with 4 too.
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The Key to Succeed is Patience.
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| dr.gurinder
Forum Junior
Topics: 16
Posts: 24
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to paba,
yes it is a NBME question.
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