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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: 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 for the breaking of the hydrogen bond r:hji6 z6i5k e4ptyo,s in DNA to ak6it,jpzi4e5ohr: 6y llow transcription 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 differentt z1 7z5jry;-4s(uyu1c7 ku;hzvwb gk tissues in the same 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 the proteins max0l6ot+ ab.km nufactured 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 regard to the geneti,m t +)kxotz 9sw,g7axc 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 the0: znog6 lia;j: q1ygt insulin gene can be inserted into bacteria. The bacteria will then manufacture the protein, insulin. Why can bacteria utilise a human gene to manufacture insuln ; gtaj1gi:y:o0zq6lin?

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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 isw:5h2 cen:h(i 2 pqhdrk5y;hl 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 would c ;: f mjryk.3:reoyyw4 dd64sxause a change in the polypeptide sequence of a protein but a point mutation of CAU to CAC would not cause any change in thed4o :emjy rsk;w.3yyr:fxd46 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 awetq p3b0z, 6jnticodon of the transfer RNA molecule which carries thtbpj6weq0 ,3ze 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 would be translatedi/4l(+cy6 m rqu:or5 csu,k,s hcz1of from an mRNA molecule with a base sequence of AUGAGGACUGCUUGA.o/z6osr4,f5k uu1cc:c ,m li rsyq(+h 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 pairingy/bd68wm0puyhec0z a8o w4 ylv2a3 *g is essential in converting a base sequence in DNA to a polypeptide sequence in a polypeptide chaina84ed yuphcyv g 0 8*0la2/m z3ow6ywb.
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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 produce7fwc nkwaylcz40 r6,mnq1* r *s a polypeptide sequence from a sequence of bases in the mRNA molecule. Explain 1r**w7rwqck lmfn y46,acnz0how a polypeptide chain elongates 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 transcription both occemq*ewqp 05 e v8;m -r,8hhqvhur unidirectionally in a 5’ 3’ direction. Explain why this is essential in the cas0*rq-mp8hvw ehe8hv5 m,eq; q e 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 which mafa ta uqw;ul9kvw9e( v1cw3m 7) 4(tauture mRNA is different to the mRNA produced by translation;cquw9wvua3aue l v((91m 7aw tft)4k .
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