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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 for the breaking of the hydrogen bonds in DNAio5xn9lo) +ap to allow transcription to oc a i5x)9olnop+cur?

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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 pre fnz. bp 5gae;0o( 82;leqcagoduce 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 manufactured by theq fu(d04qk ,gww0z knibcjq376y5c 8b 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 0tc8 /,zz ew-gwbn3bp/ yv )epto 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 seque03 j riq syii5 i1jb-q*kf: :j03qmccrnce for the insulin gene can be inserted into bacteria. The bacteria will then manufacture the protein, insulin. Why can bacteria utilise a human gene to manufacture insuli:qi r1kcq s*y0:irqjj3bi -fcmi 3j5 0n?

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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 shown idm/h,1i86bv 3ar.le j;q d.;xqwarun2) c jynn 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 woulw5rk,vo (b/on d cause a change in the polypeptide sequence of a protein but a point mutation of CAU to CAC would not cause any /w, b5v(ok ronchange in 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 t gt27-hjnr(p4r9 nkscransfer RNA molecule which carrsr-j( ct9g7kh np n24ries 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 aminoco oovq/l tp0 8-(:dtzqkv, o6 acid sequence that would be translated from an mRNA molecule with a base sequence of AUGAGGACUGCUUGA. Use the 3-letter codesdp/oql0v:8,tovk oq6t(z o c- 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 ej* e rgoc.g3f;ssential in converting a base sequence in DNA t;ge. cg *j3foro a polypeptide 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 polypeptk4b.zi3yrm7j wz )5psjhjo oj::w.z)ide sequence from a sequence of bases in the mRNA molecule. Explain how a polypeptide chain elongates as the ribosome moves a4o5 yjwp :s:zh3z o).m7 i.jrjkw bjz)long 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 bucrg pk*w+;j6j u :q.yoth occur unidirectionally in a 5’ 3’ direction. Explain why this is essentiarjy+k:uq. 6jgc*;u p wl 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 which mature mRNA is different to the mRNA produced ltfyq/.0,u ocby translation.0l tc/,.y qofu
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