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Kaplan Qbank USMLE



Author8 Posts
  #1

raised eyebrow
The cystic fibrosis transmembrane conductance regulator CFTR consists of a single peptide chain with transmembrane segments and extarcellualr and intracelluler regions.
which of the following peptide segments of CFTR is most likely located in a transmembrane segment ?

a.-asp-val-leu-thr-glu-lys-glu-ile
b.-glu-glu-thr-glu-glu-glu-val-gln
c.-ile-phe-val-leu-ile-trp-cys-leu
d.-lys-ile-lys-his-ser-arg-gly-arg
e.-ser-thr-gly-ala-gly-lys-thr-ser

Thanks for the help

  #2

c?

  #3

C is the sequence with only non polar amino acids. All of the others have some.


  #4

thanks I thought there iwas a mutation on C
C has phe that is mutated ? but I still cant find the answer but I appreciate everything

shocked

  #5

A friend just wrote to me and told to look it up on geneome and in the question it does not say there is a mutation there fore you Guys are CORRECT !!!
winkgrin

  #6

Here is a ohoto of it
Thanks so much I was tired yesterday and had a social event to go




  #7

C, I just look for phe

___________________
The Key to Succeed is Patience.

  #8

nod

C







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