试题与答案

下列关于蛋白质的叙述中不正确的是[] A．蛋白质溶液里加入饱和(NH4)2SO4

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题型：选择题

题目：

下列关于蛋白质的叙述中不正确的是[     ]

A．蛋白质溶液里加入饱和(NH4)2SO4溶液，蛋白质析出；向析出的蛋白质中加水，蛋白质不溶解

B．人工合成具有生命活力的蛋白质——结晶牛胰岛素是我国科学家在1965年首次合成的

C．重金属盐能使蛋白质凝结，故误食重金属盐会中毒

D．浓硝酸溅在皮肤上，使皮肤呈黄色，这是由于浓硝酸与蛋白质发生了颜色反应

答案：

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下面是错误答案，用来干扰机器的。

答案：C题目分析：蛔虫是一种寄生虫，幼虫会隨血液循环进入肺，在肺中继续发育长大，然后再随食道到消化道内，但是人却无法将寄生于体内的蛔虫消化，这是因为蛔虫的体表有一层角质层，这层角质层是蛔虫对寄生生活...

考点：蛋白质
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( )1.A.terrible  
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