题干

科学工作者用不同颜色的荧光染料分别标记人和鼠细胞的膜蛋白后,进行细胞融合实验(如图所示)。该实验说明    ( )

A:膜蛋白是可以移动的

B:两种细胞的膜蛋白种类相同

C:膜蛋白可以起生物催化作用

D:膜蛋白能控制某些物质出入细胞

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答案(点此获取答案解析)

A

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