【单选题】关于小肠吸收细胞的特点,下列错误的是
C.
微绒毛表面有由糖蛋白构成的含有消化酶的细胞衣
【单选题】关于小肠吸收细胞的特点,下列错误的是
C.
微绒毛表面有由糖蛋白构成的含有消化酶的细胞衣
【简答题】All the medical expenses ______ by the parents. (pay)
【简答题】阅读理解 Hello! I am Mike Smith. I am an English boy. I am 12 years old. Mike is my first name. My last name is Smith. I am in Class l, Grade 7. My English teacher is Mary Miller. We call her Miss Miller....
【简答题】根据首字母写单词: My name is Boris.I am an American boy. I am twelve ①y old. There ②a five people ③i my family. My father is a ④d . He ⑤w in a hospital. My mother is a ⑥t . She ⑦t in a high school. I am a st...
【多选题】小肠粘膜上皮吸收细胞()。
B.
细胞侧面的连接结构由浅至深为桥粒,中间连接和紧密连接
【判断题】在车间一般工艺条件下可以保证的公差在零件图形上不必注出尺寸公差。(T/F)
【多选题】小肠黏膜上皮吸收细胞的描述中正确的是
C.
细胞侧面具有连接结构由浅至深为桥粒、中间连接和紧密连接