Lysozyme is abundant in many secretions, like tears, salvia, human milk, and mucus. Major histocompatibility complex (MHC) is a set of cell-surface molecules encoded by a gene family. MHC I are molecules that are on the surface of all cells. MHC II molecules are only on the surface of specialized antigen-presenting cells.
Lysozyme is abundant in many secretions, like tears, salvia, human milk, and mucus.
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Brandaddy, Kelcey, Taylor