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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 re+(dvm *rihzwshn(a; xu 1qi +2fs f8)vsponsible for the breaking of the hydrogen bonds in DNA to alq2vr u+d1a;zxfh* si8in s )+ m(v(wfhlow 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 different tissues in the same organism produce different prote-v8 ii,il*rd ogl, t:5o.lrtfins?

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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 the c0xlhbx0 a+4 owell?

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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 illyoju .q 3z tv24 m/ /7z-2obtebux//w z2kifn 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 sequence y.r:c:ij jy7we+j88 odr.std8sb3 dn for the insulin gene can be inserted into bacteria. The bacteria will then manufacture the protein, insulin. Wh+or.bn. 88jd wy87jciytssd :jd3 :r ey can bacteria 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 shown in dy7m d4l,nfmad.6aka2s)dh88e)r lr 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 wouldq yvo9j4f;l7n cause a change in the polypeptide sequence of a protein but a point mutation onf47 j;lyoqv 9f CAU to CAC would not cause any change 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 bs)v /dm)c:y7svkb,+ umc 7skie present on the anticodon of the transfer RNA molecule which c simcc)bs/usmy,+)kd7:7 k v varries 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 would be translated ik1.nk-z/dk y7 ngy 91gk3qdlsk1o/z from an mRNA molecule with a base sequencezko1- 3in7 lqdy 1k /kky9ks d1gz/gn. of 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 complimentaryi3k htg5i 4j*p base pairing is essential in converting a base sequence in DNA to a polypeptide sequence in a polypepti3jpg 45k*ih tide 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 sequence of bases in thes7*a 4qud dt7w mRNA molecule. Explain how a polypeptide ct74*q7wsad ud hain 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 occur unidiree.h ; pchjv2s5ctionally in a 5’ 3’ direction. Explain why this is essential in pjhe.hvs c5 2;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 differp4a+kc9bo2 r tent to the mRNA produced by translatioat 2r4+o9bkp cn.
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