Prep for USMLEPrep for USMLE Forum
   Forum    Step 1  Step 2 CK Step 2 CS Step 3  Match  IMGs Resources Search






Previous Topic | Next Topic  plasmid 




 
Kaplan Qbank USMLE



Author3 Posts
  #1

A bacteria harboring a 15000 base pair plasmid that encodes resistence to tetracycline and ampicilline segregates mutants that lose resistance to either drug. Each independent mytant plasmid appreas to increase in size by approximately 5200 bp. which molecular even best explains these findings?

a, formation of plasmid concatemers
b, formation of pyrimidine dimers
c, homologous recombination
d, insertion of a tranposon
e, slip-stranded DNA replicaiton errors

___________________
I leave no trace of wings in the air, but I am glad I have had my flight

  #2

i don't know....can u reply to this que?

  #3

D.







You don't have permission to post.




Login or Register to post messages in this topic





















Contact | Leaders | Disclaimer | Privacy

Copyright @ Prep for USMLE. All rights reserved.