Multiple Choice
The complementarity-determining region (CDR) 1 and CDR2 loops of the T-cell receptor contact the _______:
A) side chains of amino acids in the middle of the peptide
B) co-receptors CD4 or CD8
C) membrane-proximal domains of the MHC molecule
D) constant regions of antibody molecules
E) α helices of the MHC molecule.
Correct Answer:

Verified
Correct Answer:
Verified
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