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习题练习：SL/HL Topic D1.2 Protein synthesis
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 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 hydrogeo2 lb2yzovzpo5tt ya*d l* i5(g)r-4zn bonds in DNA to allow transcription to occ5po)yo4z bg i2lyat(2 rd-o ztv5z* l*ur?

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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 /4v e7ertneliy4/kx;m8 r*y tdifferent 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 t) p(7soooa: vjhe proteins 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 following is correct in regard to the genetic -t-0m .8mce+bsdiabw 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 insulin gene can be inserted into a7hm+9j o)q fhh/7 alrf:vb-xbacteria. The bacteria will then manufacture the protein, insulin. Why can bacteria utifjm)hf 97haqlaxro +/ vb- 7h:lise 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 the yb2erj 4zz+ a7y+ys df(-uq cp b92ez2table?
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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 C5cl mqgl13b q f1;1zwpAU to CAG would cause a change in the polypeptide sequence of a protein but a point mutation of CAU to CAC would not cause any chlg lp1wb1q3;q1f z cm5ange 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 anticodo 07rhy vatkj vj5.s8i8n of the transfer RNA molecule which carries the amino acid trypt8a tkr s8h.5yvi j7j0vophan (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 tl19hb2 cx1 cjfhat would be translated from an mRNA molecule with a base sequence of AUGAGGACUGCUUGA. Use the 3-letter b 9c f12cxhlj1codes 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 co8z.jh *jh0cjsb v3+p enverting a base sequence in DNA to a polypeptide sehjjjepz+.3c8 *hbs 0v quence 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 ax+l14 s564iqlzrg- elk5 cjrm sequence of bases in the mRNA molecule. Explain how a polypeptide chain elongates as the ribosome moves along an el ql4x4zjm-15 k ir+l6gc5rsmRNA 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 unidirectionauirkq:d b rgy0l (+-+bzbdr:9q-bro/lly in a 5’ 3’ direction. Explain why this is essential in the ca/-::qd0id(rbkg9 q -brlz buo+ + rbyrse 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 d ooda b6u6jn,a 7sr4c*ifferent to the mRNA produced by transus47*dj 6,noaa6c rbolation.
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