下面是四位同学的实验操作方法或结果,其中错误的一项是      

下面是四位同学的实验操作方法或结果,其中错误的一项是                       

A.番茄汁中也含有丰富的葡萄糖和果糖,是还原糖鉴定的最好的实验材料

B.用纸层析法分离叶绿体中的色素,扩散最快的一条色素带呈橙黄色

C.脂肪可以被苏丹IV染成红色

D.显微镜下观察根尖的有丝分裂,在细胞呈正方形的区域易找到分裂期的细胞

答案

A

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