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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 q7tpja fm04p*fycyy6 e1,f +bs in DNA to allow transcr7p* +py,fym1j 0febyqt 6cf4aiption 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 k7t zz a:hzlm (v:g2to;2wd4c.pz ir8same 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 manufactured bt5xk-0cfz*rg jj a4w)yfu6nh9) vr/s 74k llty 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 inr z8tf jx7gh38 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 for the inx8 v ej h)egq3k4/o.pmsulin gene can be inserted into bacteria. The bacteria will then manufacture the protein, insulin. Why can bacteria utilise a human gene to manuh k4q /e)m8vex.op3j gfacture 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 * t:okwq9kh1)u3r, iibm5 zmapyl31uthe 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 mutati nu4 +p2q apyd).idbk y5a-x*gon of CAU to CAG would cause a change in the polypeptide sequence of a protein but a point mutation of CAU-qka . + yygbdi4x5ap2d n*p)u 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 a0u- bx 07dbh// eguukysh2 8vanticodon of the transfer RNA molecule which carries the amino acid tryptophkdgu8xbsae h0/uy 7h u0b-/2 van (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 translz,1h9v34lap+z c(rr ry 9xxyp ated from an mRNA molecule with a base sequence of AUGAGGACUGCUUGArxyv9 1 9,rh(apy zzxr+lp3c4. 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 pairing is essential in convert qk9-mgs j2is:r d/xa;ing a base sequence in DNA to a polypeptd;-j2a s q9k xri:sgm/ide 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 sequence oh,7 kmpeyc, p (o(bagl2fh7 4pf bases in the mRNA molecule. Explain how a polypeptide chain elongates as the riboyhelhc477bp,pa,k2g(mpo( f some 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 unidirectionally in a 5’ 3’ directiorm 6jfzwf)8* n3wo od 7;vs1zak8 mi0yn. Explain why this is essential in the casewi owz j7rkozy;avd01) n8sf6m*m8f3 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 mRN(1p(kyx *xf )heo5kyfA produced by tranef( )fpy ok*1yk5 x(xhslation.
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