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-   -   Amino Acid Contribution to Purines (https://www.usmle-forums.com/usmle-step-1-forum/2811-amino-acid-contribution-purines.html)

achistikbenny 05-29-2010 04:41 PM

Amino Acid Contribution to Purines
 
Amino acids that contribute at least one nitrogen or carbon to the purine ring during the biosynthesis of purine nucleotides are ;

a. alanine, asparagine, and lysine
b. alanine, methionine, and histidine
c. aspartate, arginine, and histidine
d. aspartate, glycine, and glutamine
e. glycine, serine, and tyrosine

ecgram 05-29-2010 05:03 PM

i will go with D
i remember it as GAG glycine aspartate glutamine

khushboo 05-29-2010 08:08 PM

D
 
its D...aspartate, glycine, and glutamine

silakan_isi 05-29-2010 09:42 PM

Hmm . .
 
It's D isn't it? the best Answer So Far . . :happy::happy:

achistikbenny 05-29-2010 10:30 PM

yes D is the ans. thank u .


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