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

hapten
carrier
mitogen
adjuvant

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

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Antigen
CD antigens

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

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Antigen
For specific antigen recognition by T cells,

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

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