2 points each 1. Allografts are grafts between different species. Affinity maturation refers to an increase in antibody affinity. Neutrophils can be attracted to inflamed tissue sites by complement components, cytokines, and bacterial products. A myeloma is a basophil-derived tumor.
Apoptosis is programmed cell division.
Ig is associated with two other molecules, Iga and Igb, on the surface of a B cell. Most of the T cells that arrive in the thymus will die in the thymus. A child has a genetic defect such that VDJ recombination never occurs in B cells. Circle all correct answers. There may be one correct answer, more than one correct answer, or no correct answers.