Immune Response in biochemistry
If a person is vaccinated against a disease sometime in the past, which of the following is currently in your body?

The disease organism itself and antigens for the disease organism
Memory B lymphocytes for the antigen of this disease organism
All of these
A very high level of antibodies against the disease antigens

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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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Immune Response in biochemistry
Immunogenicity

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

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