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  NBME 3-2 1 




Login or Register to post messages 




Author8 Posts
  #1

1. Beta thalassemia results in the reduction of Beta chains of Hgb due to errors in the processing of the initial mRNA transcript. The mechanism is the most likely to involve a single nucleotide change in which of the following?
A. AUG start codon
B. Enhancer element in the first intron
C. Splice Site
D. Termination codon
E. Upstream promoter element

Please explain


___________________
Our greatest glory is not in never falling, but in rising every time we fall.

  #2

C

___________________
The Key to Succeed is Patience.

  #3

SPLICE site...

  #4

option C

termination sites for alpha thalassemia

  #5

C..

  #6

agree.

___________________
Our greatest glory is not in never falling, but in rising every time we fall.

  #7

I had D
but will change
to C

  #8

ok grin

___________________
Our greatest glory is not in never falling, but in rising every time we fall.









Login or Register to post messages


















Contact us | Terms & Conditions | Privacy Policy

Copyright @ Prep for USMLE. All rights reserved.