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习题练习:SL/HL Topic D1.2 Protein synthesis



 作者: admin发布日期: 2025-02-01 17:28   总分: 13分  得分: _____________

答题人: 匿名未登录  开始时间: 02月01日 01:08  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) (组内1/5) 切至整卷模式 搜藏此题  
第 1 题组 (共 5 题 5 分)
  1. Which enzyme is responsible for the breaking of tvg3: *,k5avyxrl ep n7he hydrogen bonds in DNA to allow transcri 7,p3ax g*5vvek y:nrlption to occur?

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2#
 
单选题 ( 1.0 分) (组内2/5) 切至整卷模式 搜藏此题  
  2. How can different tissues in the same organism producxjple( np-q27b8 *o nsscy8) j7ai vp)e different proteins?

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3#
 
单选题 ( 1.0 分) (组内3/5) 切至整卷模式 搜藏此题  
  3. How do cells control the protd5r 0dz z8z+:j;w ,)hyfrn qpxeins manufactured by the cell?

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4#
 
单选题 ( 1.0 分) (组内4/5) 切至整卷模式 搜藏此题  
  4. Which of the following is correct in zt vy-sn,fi +nrm*04kregard to the genetic code?

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5#
 
单选题 ( 1.0 分) (组内5/5) 切至整卷模式 搜藏此题  
  5. The human DNA base sequence for the insulin8y0f6fec)fi x - ;sfxn gene can be inserted into bacteria. The bacteria will then manufacture the protein, insulin. Why can bacteria utilise a human genefsi-ef)yx8;cff 06 xn to manufacture insulin?

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6#
 
问答题 ( 1.0 分) (组内1/4) 切至整卷模式 搜藏此题  
第 2 题组 (共 4 题 4 分) 当前第1/4题
题组内容描述:
6. The table shows the genetic code. It gives the base sequence and the amino acid (3-letter code) into which it is translated. Use the information in the image to answer the questions.
I. Which molecule’s babn id6d,faqb;p1dp+1 se sequence is shown in the table?
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7#
 
问答题 ( 1.0 分) (组内2/4) 切至整卷模式 搜藏此题  
第 2 题组 (共 4 题 4 分) 当前第2/4题
题组内容描述:
6. The table shows the genetic code. It gives the base sequence and the amino acid (3-letter code) into which it is translated. Use the information in the image to answer the questions.
II. Explain why a point mutation of CAU to CAG woulom)l yw*l 7oczl5b94 wd cause a change in the polypeptide sequence of a protein but a point mutation of CAU to CAC would not cause any change iw c)o59ylowlb*lz7 4 mn the polypeptide sequence.
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8#
 
问答题 ( 1.0 分) (组内3/4) 切至整卷模式 搜藏此题  
第 2 题组 (共 4 题 4 分) 当前第3/4题
题组内容描述:
6. The table shows the genetic code. It gives the base sequence and the amino acid (3-letter code) into which it is translated. Use the information in the image to answer the questions.
III. Which bases would be present on the anticodon of the transfer RNA molecuani ef4*q:hm+tm3dto.n;)yu9j i p v;le which car i)3mtu n4*.evm;dnfj a+ip9qo th;y :ries the amino acid tryptophan (Trp)?
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9#
 
问答题 ( 1.0 分) (组内4/4) 切至整卷模式 搜藏此题  
第 2 题组 (共 4 题 4 分) 当前第4/4题
题组内容描述:
6. The table shows the genetic code. It gives the base sequence and the amino acid (3-letter code) into which it is translated. Use the information in the image to answer the questions.
IV. Deduce the amino acid sequence that wou nvp7ad8 9ox3p dbl+r5ld be translated from an mRNA molecule with a base sequence ob d n9p5l+d8x73rpavof AUGAGGACUGCUUGA. Use the 3-letter codes in the table
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10#
 
问答题 ( 1.0 分) (组内1/4) 切至整卷模式 搜藏此题  
第 3 题组 (共 4 题 4 分)
7. Discuss why complimentary base pairing is essential in converting a base seqqrx7fr )rx lhc17)r x/9tty9h uence in DNA to a polypeptideh9tqlyr )hc7rt7r1 /x)xx f9 r sequence in a polypeptide chain.
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11#
 
问答题 ( 1.0 分) (组内2/4) 切至整卷模式 搜藏此题  
8. A ribosome produces a polypeptide sequed.4 4eells ( 0v:moqlence from a sequence of bases in the mRNA molecule. Explain how a polypeptide chain elonme4dsl0ol 4.eel vq:(gates as the ribosome moves along an mRNA molecule.
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12#
 
问答题 ( 1.0 分) (组内3/4) 切至整卷模式 搜藏此题  
9. Translation and transz-d6y6x:azdf jqr1s)eajm( :cription both occur unidirectionally in a 5’ 3’ direction. Explain why this is esz jf::)rdq1zxy(6em sa6daj -sential in the case of translation.
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13#
 
问答题 ( 1.0 分) (组内4/4) 切至整卷模式 搜藏此题  
10. Describe 3 ways in whmoonsp6 () 4ru.x6 zvsich mature mRNA is different to the mRNA produced by translatp6nxv4oz6s m)r sou.(ion.
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