cytoskeleton
Quiz
•
Biology
•
9th - 12th Grade
•
Practice Problem
•
Hard
yawen Hou
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
组成微丝最主要的化学成分是
球状肌动蛋白
纤维状肌动蛋白
原肌球蛋白
肌钙蛋白
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
能够专一抑制微丝组装的物质是
秋水仙素
细胞松弛素
长春花碱
鬼笔环肽
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪种是直接参与肌肉收缩的蛋白质
肌动蛋白
原肌球蛋白
肌钙蛋白
钙调蛋白
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
具有MTOC作用的结构是
核糖体
溶酶体
基体
中心体
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有关肌肉收缩原理,下列哪项叙述不对
当Ca2+浓度下降时,原肌球蛋白构型改变,触发肌丝滑行
肌肉放松时,细肌丝中的原肌球蛋白隔在肌动蛋白与横桥之间
肌肉放松时,细肌丝不与粗肌丝结合在—起
横纹肌收缩是肌原纤维的细肌丝和粗肌丝相互滑动造成的
横纹肌收缩过程需要ATP提供能量
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
关于纤毛和鞭毛的化学组成与哪种蛋白质无关
微管蛋白A
微管蛋白B
动力蛋白
结蛋白
连接蛋白
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
关于鞭毛和纤毛的运动机制,下列哪种叙述有误
弯曲运动是由滑动运动转化而来
滑动是通过二联体动力蛋白臂产生的
鞭毛能够运动有赖于中央微管和放射幅的存在
A管上的动力蛋白臂是鞭毛和纤毛运动的动力源
弯曲运动不消耗ATP
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