Antigen
A molecule that can be covalently linked to a non-immunogenic antigen to make it an immunogen is called a (n)

hapten
adjuvant
carrier
mitogen

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Antigen
For specific antigen recognition by T cells,

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

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Antigen
During the lag period between antigen contact and detection of adaptive immunity,

antigen is hidden from the immune system in macrophages
innate immunity blocks the activation of adaptive immune effector cells
new B and T cells with the appropriate antigen specificity must be produced in the bone marrow
innate immune effectors are eliminating antigen

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