rubensssss Forum Guru
Topics: 95 Posts: 451
| | 04/25/04 - 08:24 PM  
 
   
 
|   #1 |
Among the gruops of amino acids denoted by one letter symbols,which if the following groups has all of them belonging to hydrophobic amino acids? ( the letter code used is:A=alanine,C=cystein,D aspartic acid,E=glutamic acid,F=phenyl alanine,H=histidine,I=isoleucin,K=lysine,L=leucine,P=proline,and V=valine.) 1-ALIVF 2-KEDIR 3-ALIVE 4-LIVMC 5-PHILK
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| mash Forum Fanatic
Topics: 147 Posts: 1,326
| | 04/25/04 - 10:06 PM  
 
   
 
|   #2 |
1. ALIVF
___________________ I hear and I forget. I see and I remember. I do and I understand. --Confucius
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| Idiopathic Forum Guru
Topics: 19 Posts: 641
| | 04/25/04 - 11:26 PM  
 
   
 
|   #3 |
pretty easy. you narrow it down with the branched chain AA's (L,I,V), you realize that glutamic acid is obviously hydrophilic, ruling out (c) and then you notice that there is no M, ruling out (d) should be (A) :lol: :lol: :lol:
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| rubensssss Forum Guru
Topics: 95 Posts: 451
| | 04/26/04 - 04:31 AM  
 
   
 
|   #4 |
Yes, letter A.
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