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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 responhpen a8dsw0 3bax 7g)(sible for the breaking of the hydrogen bonds in DNA to pne8w x (a3hb0 7g)dsaallow 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 prodd).g6 7ssf6cd:g uaby uce 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 prot2nt j/d; sv3nreins 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 foll::jqgrkqazfho3 89g 3owing is correct 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 soi48.fvbr5 i zequence for the insulin gene can be inserted into bacteria. The bacteria wiv8i4.5zofib rll then manufacture the protein, insulin. Why 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 thea;qe5s; fo7.43,h kdv lf6zlco5et qv 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 pointe4hhdrkj:9 m(uy kw4 lya3)dhkk;, l1 mutation of CAU to CAG would cause a change in the polypeptk9r wu y m k,dlh;a(dh)kkj4eh3l :14yide sequence of a protein but a point mutation of 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 be present on the anticodon of the transfer Rn ,8e5x q/c3sm zho:*ty)phfuNA molecule which carries the amino acisme*8/5 nptq,oux3 h hczf :)yd 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 from an mRNA t.uwhu/e ilg3hio0r0 i x,l1(molecule with a base sequence of AUGAGGu0l0gi1 ih(u3o,et/ i rxw.hlACUGCUUGA. 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 complimenj7cimi0vz 6 uc** y3gktary base pairing is essential in converting a base sequence in Di*6i3kzjy*0vcucgm 7NA to 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 polypj evqvbeza1g4l;lgc.t8 .g(g y +22yjeptide sequence from a sequence of bases in the mRNA molecule. Explain how a polypeptide ctygl qg 2g4cv.8 ag2.b1el y(ez+j;jv 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 transcriz dsc5*92)dpt+ 5xdj f )i jir 3lncpd(hjgx;3ption both occur unidirectionally in a 5’ 3’ direction.xji(l )p*9cncji th+5;2 p 3d dfsdzx 5j)3grd Explain why this is essential 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 jm0cjboahi q 8y-h, w) mf.e54different to the mRNA produced by tran-.hi 8q,jf oe5 ahy0 4jmb)wmcslation.
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