Antigen
Which of the following is incorrect with regard to antigen epitopes?

B cells bind only processed antigen epitopes
Epitopes may be linear or assembled
An epitope may be shared by two different antigens
A protein molecule usually contains multiple epitopes

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Antigen
For specific antigen recognition by T cells,

MHC molecules are not required
antigen is bound by a T cell membrane antibody
denaturation of antigen does not reduce epitope recognition
antigen exposure during T cell maturation is required

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