The Biology Project: Immunology

Introduction to Immunology

Problem 5. Antibody diversity

The ability to produce billions of different antibodies in humans results from:

A. The presence of billions of complete antibody genes in B cells
B. The fact that both T cells and B cells contain antibody genes
C. The production of variable regions of light and heavy antibody genes by DNA rearrangement
D. The fact that a single antibody gene produces an antibody capable of billions of different three-dimensional structures and the ability to combine with any antigen


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