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习题练习：SL/HL Topic B2.3 Cell specialisation
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 作者: admin  发布日期: 2025-01-26 18:21    总分: 15分  得分: _____________

答题人: 游客未登录  开始时间: 25年01月26日 18:16  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. Which of the following are roles of stem cells idut(gg (4d dy61 .0p2mylwcwjav.1b2 s syn3hn living organisms?
I. Growth of new organs.
II. Replacement of damaged cells.
III. Production of cells which could differentiate.
IV. Produce new stem cells by mitosis.

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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. Which of the following correctly describe the differentiated cellsfd1f f :rl-*3;yqka+ f- b: xweyhh*fa in an individual plant such as the golden barreda*rl w yehff 1a:;-bf* 3-qfkh+fxy:l cactusbarrel (Echinocactus grusonii) shown in the image?


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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. What are essential properties of stem ;*z8k7t ;6)ffmyq i9hucx pvnh 2hr- qcells?

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4#
 
单选题 ( 1.0 分) (组内4/4) 切至整卷模式 搜藏此题  
  4. What is the cause of stem cells differentiating alonp+;0(dbb+afi. qnds jg different pathways to produce a variety of diffsn(abfj+ ibqd+ ;. 0dperentiated cells?

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5#
 
问答题 ( 1.0 分) (组内1/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第1/6题 
题组内容描述:
5. The graph shows the relationship between mean cell length and an estimate of cell volume for 6 cell types found in humans.

Cell type in order of length as shown in the graph:

a. Use the graph to estimate the volume of a liver cellwslajp36vv g/ +(.by0z+avf w .
参考答案:    
本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
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6#
 
问答题 ( 1.0 分) (组内2/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第2/6题 
题组内容描述:
5. The graph shows the relationship between mean cell length and an estimate of cell volume for 6 cell types found in humans.

Cell type in order of length as shown in the graph:

b. The image is of cardz99h56.yql iqtwh; p h*lmsg0iac muscle.

Cardiac muscle cells have a mean length of 100 µm and an estimated volume of 8000 µm3.
Explain why the cell length and volume ratios are not constant for all cell types.
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7#
 
问答题 ( 1.0 分) (组内3/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第3/6题 
题组内容描述:
5. The graph shows the relationship between mean cell length and an estimate of cell volume for 6 cell types found in humans.

Cell type in order of length as shown in the graph:

c. Suggest one reason why kmp + y y)oa p8i/lr7bapo6*z:a human ovum has specialized to have a large volume.
参考答案:    

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8#
 
问答题 ( 1.0 分) (组内4/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第4/6题 
题组内容描述:
5. The graph shows the relationship between mean cell length and an estimate of cell volume for 6 cell types found in humans.

Cell type in order of length as shown in the graph:

d. Estimate the mean length of a cell with a volume o8( q.lsjska s9bt/w6ka8 sl 3qf 1000 µm3 using the trend line on the grajlkqk . t9(qs sssawa3 b/88l6ph.
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本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
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9#
 
问答题 ( 1.0 分) (组内5/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第5/6题 
题组内容描述:
5. The graph shows the relationship between mean cell length and an estimate of cell volume for 6 cell types found in humans.

Cell type in order of length as shown in the graph:

e. The horizontal error bars repc8 ) tq4o3z;crwsp*o fresent standard deviation. Suggest what the stan* wp8z34; c rocqtfos)dard deviation signifies.

参考答案:    

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10#
 
问答题 ( 1.0 分) (组内6/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第6/6题 
题组内容描述:
5. The graph shows the relationship between mean cell length and an estimate of cell volume for 6 cell types found in humans.

Cell type in order of length as shown in the graph:

f. Simplified models are commonly used to investigate scientific pheat-v7rffn+nty:0f0 kbaw h4 (efz )0fnomena.
Outline the limitations in the use of a sphere to model surface area to volume ratio in cells.
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11#
 
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. Using examples from human tiss/zxnz7msg5x g;k4j ;91zbhh m ues, distinguish between pluripotent, totipotent and h4bzh;5k7jm9m zg;sx z xng1 /multipotent stem cells.

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12#
 
问答题 ( 1.0 分) (组内2/2) 切至整卷模式 搜藏此题  
7. Explain the role of stem cells in,en1 9l sioe2.yoxi(n a multicellular organism.
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本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
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13#
 
问答题 ( 1.0 分) (组内1/3) 切至整卷模式 搜藏此题  
第 4 题组 (共 3 题 3 分) 当前第1/3题 
题组内容描述:
8. A cell can be modelled on a sphere. Increasing cell size decreases the surface area to volume ratio for a sphere in the following manner (figures to 1 decimal place):
(a) Explain why a large surface area to volume ratio w.kon 5ps(7h dcan increase cell efficiency.(d5okwn7h p .s
参考答案:    
本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
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14#
 
问答题 ( 1.0 分) (组内2/3) 切至整卷模式 搜藏此题  
第 4 题组 (共 3 题 3 分) 当前第2/3题 
题组内容描述:
8. A cell can be modelled on a sphere. Increasing cell size decreases the surface area to volume ratio for a sphere in the following manner (figures to 1 decimal place):
(b) Describe, using two specific examples, h al99n rwx)je48 x/z/9vaoqltow cell adaptation can increase surface area to volume ratn8vlrx /9xa w9a)e9 t4qolj/zio in a specialised cell.
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15#
 
问答题 ( 1.0 分) (组内3/3) 切至整卷模式 搜藏此题  
第 4 题组 (共 3 题 3 分) 当前第3/3题 
题组内容描述:
8. A cell can be modelled on a sphere. Increasing cell size decreases the surface area to volume ratio for a sphere in the following manner (figures to 1 decimal place):
(c) Many tissues found in plants are compound tissues, su iv.(q:7pfl,;mtcp ) omi,aqqch as phloem tissue shown in the image. Phloem tissue transports organic nutrients from their site of production (often, the leaf) to sites of storage or meol) qp p; ,q,tvi:mfaci(mq7.tabolism (often flowers or roots)

Compound tissues consist of several different cell types, simple tissues of only one cell type.
Outline why many tissues in multicellular organisms have more than one cell type in the tissue
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