Which of the following statements regarding T-cell receptor recognition of antigen is correct?
a. ?:? T-cell receptors recognize antigen only as a peptide bound to an MHC molecule.
b. ?? T-cell receptors recognize antigens in their native form.
c. ?:? T-cell receptors, like B-cell immunoglobulins, can recognize carbohydrate, lipid, and protein antigens.
d. Antigen processing occurs in extracellular spaces.
e. Like ?:? T cells, ?:? T cells are also restricted to the recognition of antigens presented by MHC molecules.
A
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