1. Passive and active immunity
These macrophages help form a sentinel network "always on the lookout for foreign antigens- (Lee & Bishop 2002: 187). ... This combination seeks to remove and disable antigens through opsonisation, compliment fixation, neutralisation, and agglutination (Lee & Bishop 2002: 194) (Miller & Keane 1983:62). ... Antibodies are most effective against pathogens before they enter host cells (Lee & Bishop 2002: 186). ... (Lee & Bishop 2002: 196) (Minnet, Wayne & Rubenstein 1989:176). ... The antigens that lymphocytes recognise are predetermined by genes, not by antigens (Lee & Bishop 2002: 187). ...
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- Grade Level: Undergraduate