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Biology, 11.12.2019 16:31 neylabaker7489

1) hiv weakens the immune system by killing a. antibodies. c. t cells. b. b cells. d. killer t cells.

2 ) which of the following statements is false regarding an autoimmune disease?
a.
the body reacts with its own cells and tissues
c.
it can involve cell-mediated responses
b.
its mechanism is well understood
d.
it can involve humoral responses

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