Immune Response in biochemistry
Antibodies bound to an invading microorganism activate the complement system via

classical pathway
Entner-Doudoroff pathway
metabolic pathway
Embden Meyerhof pathway

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Immune Response in biochemistry
Immunological memory is due to

long lived B cells that secrete a specific antigen
long lived B cells that secrete a specific antibody
short lived helper T cells that signal macrophage to divide
short lived macrophage that can recognize specific pathogens

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