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Kaplan Qbank USMLE



Author4 Posts
  #1

pyrimidine synthesis bEGINS with which?
a) ribose -5 - phosphate
or
b) carbomyl phosphate
or
c) 5-Phosphoribosyl-1-pyrophosphate (PRPP)

I think B!



  #2

yes u r rt!!its b


___________________
"You must feel confident enough within urself to follow your own dreams"If you think you can, you can.If you think you can't, you're right"

  #3

B it is. smiling face

  #4

rolling eyes does it make a diffrence if its de novo or recycled?

de novo begins with

carbomyol phosphateSynthase-2+glutamine.+atp+co=carbomoyl phosphate!

while the recycled pyrimidine? ribose 5 phosphate+atp=PRPP

take care










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