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习题练习：SL Topic B1.1 Carbohydrates and lipids
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 作者: admin    总分: 12分  得分: _____________

答题人: 游客未登录  开始时间: 25年01月26日 09:52  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. Carbon is the basis of biological polymers becem:7zr*ng1 ef0fw dm0 ause:
I It can form chains by bonding to other carbon atoms.
II It is found in carbohydrates.
III It can form four covalent bonds.
IV It can form branched and ring structures.

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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 foll,:2:eawcu k la8,jhw yowing is the best description of the formation of a triglyceride from glycerolu :wel, a2 kwch:,aj8y
and 3 fatty acids?

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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 type of structure are the ABtxv,9pdg*g2 gO antigens that define human blood groups?

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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. Which of the following terms would be appropriate in descd 6lfackqfq86z;, q4es 1e*jjribing the molecule illustr6 q;s4feqj1f8a zd e6l kc*qj,ated?
I. Hexose.
II. Polysaccharide.
III. Glucose.
IV. Pentose.


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xxxxxxxxxx，获取更多资料
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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 chart and graph below show the results of an experiment where carbon dioxide evolution of a suspension of Brewer’s yeast (Saccharomyces cerevisiae) was measured. The yeast was grown several times, using different carbohydrate sources.
• 1g of the yeast was placed in a conical flask and
• 50cm3 of a 1% solution of the carbohydrate solution was added.
• The flask was fitted to a gas syringe to collect the carbon dioxide produced.

a. Suggest one variable that should be controc itk mffwr6x2 e46wo +97qah+lled other than those given in the quesa7qe 2f orxi4+ftm9w 6ck +wh6tion.
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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 chart and graph below show the results of an experiment where carbon dioxide evolution of a suspension of Brewer’s yeast (Saccharomyces cerevisiae) was measured. The yeast was grown several times, using different carbohydrate sources.
• 1g of the yeast was placed in a conical flask and
• 50cm3 of a 1% solution of the carbohydrate solution was added.
• The flask was fitted to a gas syringe to collect the carbon dioxide produced.

b. What types of carbohydrate were used as the nutrient sour3nkn;4 (wxva gce?
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xxxxxxxxxx，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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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 chart and graph below show the results of an experiment where carbon dioxide evolution of a suspension of Brewer’s yeast (Saccharomyces cerevisiae) was measured. The yeast was grown several times, using different carbohydrate sources.
• 1g of the yeast was placed in a conical flask and
• 50cm3 of a 1% solution of the carbohydrate solution was added.
• The flask was fitted to a gas syringe to collect the carbon dioxide produced.

c. Explain the shape of the curve g+h7p qm*g+6 3(kb zapqx,/o d np*ovwfor the use of glucose as a respiratory substrdh6/g z x7,3b+ o(p p* +pwavknqgq*omate.
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 chart and graph below show the results of an experiment where carbon dioxide evolution of a suspension of Brewer’s yeast (Saccharomyces cerevisiae) was measured. The yeast was grown several times, using different carbohydrate sources.
• 1g of the yeast was placed in a conical flask and
• 50cm3 of a 1% solution of the carbohydrate solution was added.
• The flask was fitted to a gas syringe to collect the carbon dioxide produced.

d. Describe the differences between the results foaogjxjq3g i 3bhmr3 k)0q5x2kp6d98 sr glucose and starch.
参考答案:    

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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 chart and graph below show the results of an experiment where carbon dioxide evolution of a suspension of Brewer’s yeast (Saccharomyces cerevisiae) was measured. The yeast was grown several times, using different carbohydrate sources.
• 1g of the yeast was placed in a conical flask and
• 50cm3 of a 1% solution of the carbohydrate solution was added.
• The flask was fitted to a gas syringe to collect the carbon dioxide produced.

e. After 60 minutes yeast produced 44 cm3 of CO2. What perkf1 i1t t:k9t ew k9ml(,q)gzocentage of this volume did the yeast produce after 60 minutes using sucrose? (Show ilt, q o(zk1g tkkw19)f tem:9your working)
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 chart and graph below show the results of an experiment where carbon dioxide evolution of a suspension of Brewer’s yeast (Saccharomyces cerevisiae) was measured. The yeast was grown several times, using different carbohydrate sources.
• 1g of the yeast was placed in a conical flask and
• 50cm3 of a 1% solution of the carbohydrate solution was added.
• The flask was fitted to a gas syringe to collect the carbon dioxide produced.

f. Which trial was a control e040yu aan1bv dxperiment and why was it necessary?
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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. Compare and contrast the use of lip p9xdgo:e ee:-ids and carbohydrates as energy storing materee:egx :op-9d ials in plants and animals.
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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. Outline the differences between the structure of saturated, monounsaturair7f zgn+6-o ated andpolyunsaturateifro7g+ 6n-zad fatty acids?
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  • 姓名:游客(未登录)
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    总分:12分 及格:7.2分 时间:不限时
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