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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 DNA snq 7x/t46 ucg0bf gw9 l-niib2i ,t*pto aix2cptwnif4u i9b6bq n*70-t/ s,glgllow 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 sant( 6k(ciw x 7gedi:(ssdc2e+me 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 manufactcey8qn n253ku-h vm 1qured 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 genetic9ngg; ehui1fp(1i b8z 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 sequenc 2/9zts 2 /kq v5gsj*vkxllj5+v8 a v8oxsqu/ae for the insulin gene can be inserted into bacteria. The bacteria will then manufacture the pro/jj v*8kos8 2ga5 l9x /k z+vq2lq vs5tsv/axutein, 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 the t7*8:dbhc jcc mable?
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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 would cause a chuv3+qrq , zzyb07p.ky -h+zyqange in the polypeptide sequence of a protein but a point mutation of CAU to CAC would not cause any change in the polypep0.zv q7 ryqqyp3h-z z ,u+byk+tide 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 RNA molecule d fqx(m4kk*tg0kzx 7:i(p8zw which carries the ak78zp zkf0dk:t*m4gx xq i((w mino 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 wouldnt1cu l(6rei3 be translated from an mRNA moleculeun3t r6 c1e(li with a base sequence 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 complimentary base pairing is essential infu,kfz bz5a5;r (czng q+rw+6 converting a base sequence in DNA to a polypeptide sequencez(f +wrzf5,r;+5zc b6nqg a ku 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 of bases i kun9ed q7i 8hd-ki2 cm99jx/r kh;+bzn the mRNA molecule. Explain how a polypeptide chain elongates as the ribosome moves alo9m7c8ir9 ;h d-+euqzh xbd2kkkn j i9/ng 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 bo mr*:lnpx3g ru:u iz :;uf,)ckth occur unidirectionally in a 5’ 3’ direction. Explain why this is essential in the case of transfg zur*u n:,l ):kxiru c;:p3mlation.
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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 *ti.u3xwlgjqd b;u: -in which mature mRNA is different to the mRNA produced by translu.gb w-tjiquld :*x ;3ation.
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