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Active natural immunity occurs when
A) antibodies pass from a pregnant mother to her fetus
B) antibodies are injected to a host
C) an individual develops a disease
D) a person is vaccinated
E) antibodies are passed in breast milk


Cells that process antigen and present these antigens to other immune cells are called
A) plasma cells
B) antigen-presenting cells
C) B receptor cells
D) T suppressor cells
E) antibodies

2007-03-21 03:33:44 · 1 answers · asked by Anonymous in Science & Mathematics Biology

1 answers

c
b

2007-03-21 04:24:05 · answer #1 · answered by the vet 4 · 0 0

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