Immune Response in biochemistry
In cellular immunity, T lymphocytes are responsible for the recognition and killing of foreign invaders. The cells are

None of these
cytotoxic T lymphocytes (CTL)
both (a) and (b)
killer T cells

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Immune Response in biochemistry
Immunogenicity

depends on the ability of the native antigen to be presented by MHC
is not a property of antibodies
is not a property of haptens
is usually a property of self antigens such as eye tissue

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Immune Response in biochemistry
Immunological memory is due to

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

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