A very important step in our understanding of acquired immunity came when scientists discovered the receptors on B cells and T cells that bind to antigens. What part of these protein receptor molecules shows the highest variation in amino acid sequence from cell to cell?

+1 vote

 

  

light chain of the B-cell receptor and beta chain of the T-cell receptor

  

heavy chain of the B-cell receptor and alpha chain of the T-cell receptor

  

transmembrane domain

  

antigen-binding site

 

asked Jan 1, 2013 in Biology by anonymous
    

1 Answer

0 votes

 

antigen-binding site

 

answered Jan 1, 2013 by anonymous

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