皮皮学，免费搜题
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搜题
【判断题】
人鼠细胞融合实验表明,膜蛋白在细胞膜上是可以进行侧向扩散的。A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】One of the most important weapons used during the second would war _______ not a weapon used against people, but rather a drug used against disease.
A.
is
B.
was
C.
were
D.
are