Summary: Microbiology 15
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1 Microbiology 15
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The embryonic yolk sac, the liver and the bone marrow are sites where
Stem cells give rise to immature lymphocytes -
Acquired specific immunity involves the response of
B and T lymphocytes -
The progeny cells of a B-cell clone are called
Plasma cells -
Helper T cells
Activate B cells and other T cells -
The major histocompatibility complex is:
A set of genes that code for MHC glycoproteins -
Class II MHC genes code for
Receptors located primarily on macrophages and B cells -
MHC molecules are found on each of the following cells except
Red blood cells -
The monomer subunit of immunoglobulin molecules has all of the following except
Four antigen binding sites -
The region of each antibody molecule where amino acid composition is highly varied from one clone of B lymphocytes to another is the
Variable region -
Destruction of lymphocytes with self-specificity is called
Immune tolerance
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