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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

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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 muscdm zbj8, dip0q yd;)5ple contraction and relaxation? zqd) p08mdjpd ,;biy5
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.

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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 antagonistoq (6cfya;)epz6x0u wic pairs to move a limb?

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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;dw )+ofqbt1 n of each component of a synovial joint?nq f)bow ;+1td



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4#
 
问答题 ( 1.0 分) (组内4/4) 切至整卷模式 搜藏此题  
4. Marine mammals brvnw tia + ukaw)n;975feathe air but have adaptations that allow them to live in watewa;)knna 5fu9iw v+7tr.
List three adaptations of marine mammals to aquatic life.
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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 followingwygrk7r- ter93/ lz7lxb 8r-t on the diagram:
A – An area containing only actin filaments.
B - An area containing both actin and myosin filaments.
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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 t+sv-02si fhdc8u v,idlhi5/phe actual length of this sarcomere. Show your working and include uni8v-/ipv+ish0 fcduhl s52d , its.
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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 hux,ry (eq;ddzn 8fwy 8l; 9rws5man thigh. When it contracts it can extend the knee joint and flex the hip joint. It ,8(r8yrlwn 5wsz; x ;qedyd9fhas a maximum sarcomere length of 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.
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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 mamma7g*)+ ixkxttals involves the movement of the rib cage upwards then downwards directions for inhalation and tkix7a t*+gx) exhalation.
Discuss how the external and internal intercostal muscles act as an antagonistic pair of muscles to cause these movements.
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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, thwthf+ae08nz rb0 .u:ke neuromuscular junction and muscle fibres in skeletal muscle contrn8a:b rwk ue+zh0.tf 0action.
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总分:9分 及格:5.4分 时间:不限时
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当前第 题,此次习题练习共有 9 道题

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