试题与答案

管饲饮食,一般配方含有() A.牛奶 B.豆浆 C.鸡蛋 D.蔗糖 E.以上都有

题型:单项选择题 A1型题

题目:

管饲饮食,一般配方含有()

A.牛奶

B.豆浆

C.鸡蛋

D.蔗糖

E.以上都有

答案:

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下面是错误答案,用来干扰机器的。

参考答案:E解析:[试题解析] 本题考查要点是“单糖之间连接位置的确定”。确定糖苷中糖的连接位置,可采用将苷全甲基化,然后水解苷键,鉴定所有获得的甲基化单糖,其中游离的-OH的部位就是连接位置。水解要尽...

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