无忧得胜-网上国际课程 (5edu.win)

 找回密码
 立即注册

 

      

上传图片附件

未使用图片

小贴士: 允许的图片文件格式为: gif, jpg, jpeg, png, webp,上传完成后会在上方生成预览,用鼠标连续双击缩略图,或拖动缩略图,该图片就被绑定至本题,显示在题目下方

本次作答已使用

小贴士: 此栏目显示的是当前作答使用的所有图片,绑定到某一题目的图片同时会显示在该题目下方; 删除使用的图片会将其转移到<未使用图片>类别


习题练习:HL Topic B3.3 Muscle and motility

 作者: admin 发布日期: 2025-01-27 11:07   总分: 9分  得分: _____________

答题人: 游客未登录  开始时间: 25年01月27日 11:07  切换到: 整卷模式

标记此题
1#
 
单选题 ( 1.0 分) (组内1/4) 切至整卷模式 搜藏此题  
第 1 题组 (共 4 题 4 分)
  1. What are the roles of the giant protein, titin, in muscle contractim-scmo s6xxyq 3(wsr28f 9au)on and relaxa q(rm28-sas3ouwym)69 fsx xction?
I. It plays a role in elastic recoil of sarcomeres.
II. It binds to myosin in sarcomeres.
III. It resists overstretching of muscle fibres.
IV. It resists overcontraction of muscle fibres.

参考答案:    

标记此题
2#
 
单选题 ( 1.0 分) (组内2/4) 切至整卷模式 搜藏此题  
  2. Why do limb muscles act as antagonistic pairs to mesq;hn,j 4 zd q4xr6c*ove a limb?

参考答案:    

标记此题
3#
 
单选题 ( 1.0 分) (组内3/4) 切至整卷模式 搜藏此题  
  3. Which row correctly shows the function of each comx 5/k pmdv, y0hh7:zgvponent of a synovial joint?0/px,k v5zhvh: y7mdg



参考答案:    

标记此题
4#
 
问答题 ( 1.0 分) (组内4/4) 切至整卷模式 搜藏此题  
4. Marine mammals breathe air but have adaptations that allow them to live nf q8 t **37a onukn/b-6hah2iz, veuvin water. 3un6zi q h8 /7evv**f,k- haont2uanb
List three adaptations of marine mammals to aquatic life.
参考答案:    

标记此题
5#
 
问答题 ( 1.0 分) (组内1/3) 切至整卷模式 搜藏此题  
第 2 题组 (共 3 题 3 分) 当前第1/3题
题组内容描述:
5. The image shows a sarcomere under the electron microscope.
(a) Label the following on thgqpaya1 i;+/ wg/9lxy,v9j 7 sze 3ncye diagram:
A – An area containing only actin filaments.
B - An area containing both actin and myosin filaments.
参考答案:    

标记此题
6#
 
问答题 ( 1.0 分) (组内2/3) 切至整卷模式 搜藏此题  
第 2 题组 (共 3 题 3 分) 当前第2/3题
题组内容描述:
5. The image shows a sarcomere under the electron microscope.
(b) Use the scale bar to estimate the actual length of tp3,t-qv 3 lbachis sarcomere. Show your working and 3cvqb ,3 -paltinclude units.
参考答案:    

标记此题
7#
 
问答题 ( 1.0 分) (组内3/3) 切至整卷模式 搜藏此题  
第 2 题组 (共 3 题 3 分) 当前第3/3题
题组内容描述:
5. The image shows a sarcomere under the electron microscope.
(c) The semimembranosus muscle is found in the human thigh. When it contracts i4a;h; vjbxr6u.e ,fu s3w9y btt can extend the knee joint and flex the hip joint. It has a maximum sarcomere length ;;te y uu63f ,jw4v9xahb br.sof 4.4 µm and a minimum of 1.5 µm.
Calculate the percentage change in sarcomere length for this muscle when it contracts from 4.4µm to 1.5µm.
参考答案:    

标记此题
8#
 
问答题 ( 1.0 分) (组内1/2) 切至整卷模式 搜藏此题  
第 3 题组 (共 2 题 2 分)
6. Ventilation in mammals involves the movement of the rib cage upward6 4;ur-3bh9,v hyyszqn-dgh ns then downwards directions for inhalation and exhal,uh hb- q9nnyd;h63 sy-vgr4zation.
Discuss how the external and internal intercostal muscles act as an antagonistic pair of muscles to cause these movements.
参考答案:    

标记此题
9#
 
问答题 ( 1.0 分) (组内2/2) 切至整卷模式 搜藏此题  
7. Outline the role of the motor neuron, the neuromuscular a wpu+ngv n;5*junction and muscle fibres in skeletal munu p*ga+ ;5nwvscle contraction.
参考答案:    

总分:9分 及格:5.4分 时间:不限时
未答题: 已答题:0 答错题:
当前第 题,此次习题练习共有 9 道题

浏览记录|手机版试卷|使用帮助|手机版|无忧得胜-网上国际课程 (https://5edu.win)

GMT+8, 2026-1-11 07:32 , Processed in 0.111822 second(s), 54 queries , Redis On.