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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: 游客未登录  开始时间: 25年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 fo,(r)e aiqk++ j :hztidll +;dk5z ;ftjr the breaking of the hydrogen bonds in DNA to allow trans;f lkezr+:tjdzi,q+a(5il)+ hj k td; cription 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 u8cj0m3vz p*ho+9hd tsame organism produce 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 wzi xyr* 86dupu:z+2fg 8vgi6the proteins 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 c4 7wy :oimpd-qorrect in regard 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 sequenced1w15 yiwctg3zyt .3e for the insulin gene can be inserted into bacteria. The bacteria will then manufacture the protein, insulin. Why can z3tc53wie1gy dt.1ywbacteria utilise a human gene 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 base sequence is shq6dlpv, i hg9q0:ovyms5l+om(+;g kqown 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 wo-o,fbad 2lg3;jqhj5 buld cause a change in the polypeptide sequence of a protein but a point mutation of CAU to CAC would not cause any change in tf,o j5b lhdq;3gb2j -ahe 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 t7ahmy , we7ua0s0 9vz9nt8xun 4tm7hdhe transfer RNA molecule whicu7um z0hsn yxv4e9 ,m d07athwt7 9n8ah carries 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 seque5kpmq,9obep*sb,n 3jhe:1 hm nce that would be translated from an mRNA molecule with a base sequence of AUGAGGACUGCUUGA. Use the 3-l: meehb1shp,b59n3,k pjmq* oetter 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 essentialy4+yjgq5 tfg : in converting a base sequence in DNA to a polypepti:+y4t5y jgqgf de 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 sequence from a seq egins 3ltt94bdgqb:(r ;b57xuence of bases in the mRNA molecule. Explain how a polypeptide chain e (s9tlt54ineqb bgb x;3r7g:dlongates 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 transcrip,p m4vui fs-w/tion both occur unidirectionally in a 5’ 3’ direction. Explain why this is essential in the case of transl-s wufm,/v4 ipation.
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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 whiryk+l 8,kyjm1 ch mature mRNA is different to the mRNA produced by try8jrm kk+yl, 1anslation.
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