SL/HL Topic B2.3 Cell specialisation - 题库网 (tiku.one)

?作业考试练习?IB生物学?SL/HL Topic B2.3 Cell specialisation

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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

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 followi)qxt2a c98muxp-fc1 a +.hh (5mgbyuk ng are roles of stem cells in 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.

A. All of the above.

B. I,II and III only.

C. II and IV only.

D. II, III and IV only.

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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 dp0cw oss6ua )15ybaw 6escribe the differentiated cells in an individual plant such as the golden barrel cactusba)16wpcws0b u 6yas5o arrel (Echinocactus grusonii) shown in the image?

A. There are different organelles in different differentiated cells.

B. There are different genes in each type of differentiated cells.

C. The differentiated cells have identical genes in every cell type.

D. The differentiated cells produce the same proteins in every cell type.

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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 9jya 4ulbpe2 ,f 8o)xyd,n u*vproperties of stem cells?

A. They are specialised and can divide by meiosis.

B. They are specialised can divide by mitosis.

C. They can divide by mitosis and differentiate.

D. They can divide by meiosis and differentiate.

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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 along different pathamjq z1o:1t+yways to produce a variety of differentiated cela11+:t jq omyzls?

A. The genome of the cells is different.

B. The differentiated cells produce the same proteins.

C. Gene expression varies between different kinds of differentiated cells.

D. Gene expression varies within identical cell types.

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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

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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 -6r e-ca/s8azo:zk9darvao4b 0qw 1cof a liver cell.

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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 ca;/0qon,bjo pg5acx/y rdiac 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 a human ovum has spe4)6mek xbhrh 2cialized to have a large volume.

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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 volumve6qv:ri9zr6a d- l+a e of 1000 µm3 using the trend line on the graz a:dr-6e6 r9+vilq vaph.

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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 erro;3c7og;a /jrjq;r umyr bars represent standard deviation. Suggest what the standard de;j o;3rj u gq7a/rm;ycviation signifies.

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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 common p+68fmr 2ef ld z(mpc;:xdd*aly used to investigate scientific phenomena.
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 tissues, distinguish bxmz6e:/h;ix, kl.g 7s cjy 9cjetween pluripotent, totipotent aic 6l:xjjx79ysk .,;/hez gcmnd 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 a multicellular ori)1d not )drft *bs+b+ganism.

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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 can incc h.mbw,9c.3ebjts3irease cell efficienc3bhe b,i.c.9sc 3 tjwmy.

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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, how cell adaptatio/uw8 2m,c 7auaach*kan can increase surface area to volume ratio in/ch,2caau7uwk*a8 ma 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 1n j *7k0y+8hf-coxdse xbat:plants are compound tissues, such as phloem tissue shown in the image. Phloem tissue transports organic nutrients from their site of production (often, the leaf) to sites dx 7 e tjs-*:a+fc0oyhxbk18nof storage or metabolism (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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