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

adjuvant
hapten
mitogen
carrier

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Antigen
For specific antigen recognition by T cells,

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

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

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

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Antigen
CD antigens

function as receptors for cytokine and CAMs
are each expressed on only one cell type
allow leukocytes to recognize antigen
are expressed on immune cells to mark them for separation

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