| http://www.w3.org/ns/prov#value | - monocytes in the embryo and fetus undergo a continuous series of divisions and genetic changes that generate hundreds of millions of different cell types, each carrying a particular receptor specificity.A)TrueB)False28Immunogens are proteins or other complex molecules of high molecular weight that trigger the immune response in the host.A)TrueB)False29APCs function by binding foreign antigen to t
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