若成熟细胞的 y p = -ys ，将其放入某一溶液中时，体积不变。
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若细胞的 yw = ys ，将其放入纯水中时，体积不变。
A. 对
B. 错
有一充分饱和的细胞，将其放入比液泡液浓度低10倍的溶液中，体积不变。
A. 对
B. 错
Which of the following descriptions of macrophages is wrong
A. Macrophages express a variety of pattern recognition receptors.
B. Macrophages recognize pathogens by the same mechanism as NK cells.
C. Macrophages are antigen-presenting cells.
D. Macrophages can kill target cells by ADCC.
E. Macrophages can participate in inflammatory response.
Which of the following cells is not an innate immune cell?
A. NK cell
B. NKT cell
C. B2 cell
D. γ δ T cell
E. DC
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