问题
选择题
在检测生物组织中还原糖、脂肪、蛋白质时，对实验材料的选择，叙述错误的是[ ]
A．甘蔗茎的薄壁组织、甜菜的块根等，都含有较多的糖且近于白色，因此可以用于还原糖的鉴定
B．花生种子含脂肪多且子叶肥厚，是用于脂肪鉴定的理想材料
C．大豆种子蛋白质含量高，是进行蛋白质鉴定的理想植物组织材料
D．鸡蛋清含蛋白质多，是进行蛋白质鉴定的理想动物材料
答案
答案：A
搜题请搜索小程序“爱下问搜题”
在检测生物组织中还原糖、脂肪、蛋白质时，对实验材料的选择，叙述错误的是[ ]
A．甘蔗茎的薄壁组织、甜菜的块根等，都含有较多的糖且近于白色，因此可以用于还原糖的鉴定
B．花生种子含脂肪多且子叶肥厚，是用于脂肪鉴定的理想材料
C．大豆种子蛋白质含量高，是进行蛋白质鉴定的理想植物组织材料
D．鸡蛋清含蛋白质多，是进行蛋白质鉴定的理想动物材料
答案：A
Every school has its own(自己的) rules. In some schools in Asia(亚洲), students smoke(吸烟) or talk loudly. In some schools in America, each child must look after their well. They should cover the books. But one is very popular around the world: students have to wear on weekdays, but many students don’t like to wear the school uniforms they think the uniforms are the most ugly clothes in the world, but schools don’t let their students wear own clothes at school. Some students beautiful pictures or their favorite stars on their uniforms, because they don’t want to wear the clothes. What do you think it? Do you your school uniform?
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