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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 because9r osdh/( eat4:
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 following is the best description of the formation of a triyf6sh jb5 6ocvv:+lq/glyceride f:5jy 6vhos/q6+vfcbl rom glycerol
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 ABO antigens that define human te*(aylvoq;q+ (sfnz1q3g1xg ;t lb - 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 inew/ /sl)x 6-s+ cezf owa7b:ag describing the molecule illusta/ecw:s6x- zbf+eo/w)glas 7 rated?
I. Hexose.
II. Polysaccharide.
III. Glucose.
IV. Pentose.


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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 co0;wxfg5t/thevw jqqk.+ h qnp3+po 18gk( r.qntrolled other than those given in the q(p hoh .+3 . np5gvx +fwkk1/qqertjq gt0;qw8uestion.
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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 carbohy 9r1kr zo0)hd 5 wr9zyagnunz5+k+ z:qdrate were used as the nutrient source?
参考答案:    

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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 for thylw 62tqoe eyc i2+zad,ax,07e use of glucose as a respiratory substrate.wa2,q 7y0xcae6de+ z itl,2oy
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 res 2r,oz2 rr,ccmggrm/2ults for 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 percent+ d6ht4e-k4faw / zxmnage of this volume/twfan 6dk4 xze+-m h4 did the yeast produce after 60 minutes using sucrose? (Show your 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 conzm3c2e0nfn;00e xzz aa6vkrm h-* pz,trol experiment and why was it necessary?
参考答案:    

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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 +.9 j wo wjkt31:okoazg-zv, v(roh *xthe use of lipids and carbohydrates as energy storing materials in pl9(zx hgj:1okork a+3vv wo *z-,ow.jtants 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, monounsaiog ofhs0m /8eu-7dmjw o5x 23-irz2e turated andpolyunsaturated -m3eor o hdmi58u22g sz/xfwoie7-j0 fatty acids?
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本习题练习题目来源于题库网 (https://tiku.one)，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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