USMLE Forum Archives - USMLE Step 1 - IMMUNO
IMMUNO
agamamber - 02-25-08 21:19
The antigenicity of the ABO bolood system is primarily determined by the sequence of
1 amino acids
2 fatty acids
3 nucleotides
4 phospholipids
5 sugars
agamamber - 02-25-08 21:19
The antigenicity of the ABO bolood system is primarily determined by the sequence of
1 amino acids
2 fatty acids
3 nucleotides
4 phospholipids
5 sugars
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#2
Re: IMMUNO
agamamber - 02-26-08 12:09 the answer is 5- sugars.ABO blood group subs. are highly branched chains of sugars(oligosaccharides) present in most body cells and some secretions. these are bound to glycosphingolipids on the membranes ofRBCs and other cells, while in secretions they are bound ti glycoproteins.
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