急需一些大学水平的有关细胞膜与物质的跨膜运输的题目(请附带答案),谢谢。

RT
2025-02-25 22:20:51
推荐回答(3个)
回答1:

细胞质膜与跨膜运输:
一、选择题
1.细胞中的下列那种化合物属生物小分子
A.蛋白质 B.酶C.核酸 D.糖 E.胆固醇
2.细胞中的下列化合物中,那项属于生物大分子
A.无机盐 B.游离水 C.过氧化氢酶 D.胆固醇 E.葡萄糖
3.β折叠属于蛋白质分子的那级结构
A.基本结构 B.一级结构 C.二级结构 D.三级结构 E.四级结构
4.核酸分子的基本结构单位是
A.氨基酸 B.核苷酸 C.碱基 D.磷酸 E.戊糖
5.下列那项不是原核细胞
A.大肠杆菌 B.肺炎球菌 C.支原体 D.真菌 E.绿藻
6.下列那种细胞器为非膜相结构
A.核糖体 B.内质网 C.线粒体 D.溶酶体 E.高尔基体
7.下列那种细胞器为膜相结构
A.中心体 B.纺锤体 C.染色体 D.核糖体 E.线粒体
8.在普通光镜下可以观察到的细胞结构是
A.核孔 B.核仁 C.溶体 D.核糖体 E.微丝
9.关于真核细胞错误的是
A.有真正的细胞核 B.其DNA分子常与组蛋白结合形成染色质
C.基因表达的转录和翻译同时进行 D.体积较大 E.膜性细胞器发达
10.关于原核细胞的特征错误的是
A.无真正的细胞核 B.其DNA分子常与组蛋白结合 C.以无丝分裂方式增殖 D.内膜系统简单E.体积较小
11.原核细胞与真核细胞都具有的细胞器是
A.细胞骨架 B.线粒体 C.高尔基体 D.中心体 E.核糖体
12.蛋白质的基本结构单位是
A.氨基酸 B.核苷酸 C. 脂肪酸 D.胆固醇 E. 葡萄糖
13.核糖体内所含的核酸分子是
A.DNA B.RNA C.mRNA D.tRNA E.rRNA
14.下列哪项不是生物膜的主要化学成分
A.脂类 B.蛋白质 C.糖类 D.无机盐 E.氨基酸
15.生物膜中含量最高的脂类是
A.磷脂 B.胆固醇 C.糖脂 D.鞘磷脂 E.卵磷脂
16.下列哪些因素可以影响膜的流动性
A.卵磷脂含量 B.烃链饱和度 C.糖脂含量 D.鞘磷脂含量 E.膜蛋白含量
17.生物膜的分子结构模型现已被广泛接受的是
A.单位膜模型 B.晶格镶嵌模型 C.板块模型 D.液态镶嵌模型 E.夹层模型
18.以下物质跨膜转运过程中耗能的是
A.单纯扩散 B.易化扩散 C.通道蛋白介导的运输 D.胞吞 E.尿素的跨膜转运
19.具有高度特异性的物质转运方式是
A.吞噬作用 B.吞饮作用 C.受体介导的内吞作用 D.单纯扩散 E.易化扩散
二、问答题:
1 、请比较质膜、内膜和生物膜在概念上的异同?
2、如何理解细胞膜作为界膜对细胞生命活动所起的作用?
3 、有人说红细胞是研究膜结构的最好材料,你能说说理由吗?
4、主动运输和被动运输的比较。
5、大分子和颗粒物质的跨膜运输方式有哪几种?
6、生物膜的主要化学组成成分? 试述生物膜的特性。
7、试述液态镶嵌模型及其优缺点

回答2:

宁夏医科大学医学细胞生物学精品课程
http://202.201.152.13/xbswx/kwlx_nr.asp?id=16&flag_nr=kwlx&flag=kwlx

回答3:

http://202.199.159.240/class/webpages/xtyzc/tiku/4.pdf
http://202.199.159.240/class/webpages/xtyzc/tiku/5.pdf

http://jpkc.sdau.edu.cn/jpkc/cell/ziyuan/%CA%D4%CC%E2/%CA%D4%CC%E2%BF%E2.pdf

http://smkxxy.hutc.zj.cn/xibao/course/more.asp?typeid=18

很多的,祝你好运!

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