The correct description about Tm is A The temperature at which half of the maximum absorbance value of DNA at 260nm d The correct description about Tm is A The temperature at which half of the maximum absorbance value of DNA at 260nm d 2021-10-08 30
The linkage between nucleotides is A2’,-3’ phosphodiester bond; B3’,-5’ phosphodiester bond C2’,-5’ phosphodiester bond The linkage between nucleotides is A2’,-3’ phosphodiester bond; B3’,-5’ phosphodiester bond C2’,-5’ phosphodiester bond 2021-10-08 22
B The temperature at which maximum absorbance value of DNA at 260nm during heat denaturation CThe optimum temperature f B The temperature at which maximum absorbance value of DNA at 260nm during heat denaturation CThe optimum temperature f 2021-10-08 17
A5’ -GACTTA-3’ B5’ -CTGAAT-3’ C5’ -UAAGUC-3’ D5’ -CUGAAU-3’ E5’ – TAAGTC-3’ A5’ -GACTTA-3’ B5’ -CTGAAT-3’ C5’ -UAAGUC-3’ D5’ -CUGAAU-3’ E5’ – TAAGTC-3’ 2021-10-08 26
EThe temperature to form DNA and RNA hybrid molecule 我的答案：A If the coden of mRNA is ACG, then the anticoden of tRNA is EThe temperature to form DNA and RNA hybrid molecule 我的答案：A If the coden of mRNA is ACG, then the anticoden of tRNA is 2021-10-08 21
BDeoxyribose-phosphate frame located outside the strands CTwo strands are joined by hydrogen bond formed between A-T and BDeoxyribose-phosphate frame located outside the strands CTwo strands are joined by hydrogen bond formed between A-T and 2021-10-08 20
注：此为开放性试题，无标准答案，请自行作答 《核酸结构与功能》multiple choice questions已完成 The sequence of part of a DNA strand is the following: -ATTC 注：此为开放性试题，无标准答案，请自行作答 《核酸结构与功能》multiple choice questions已完成 The sequence of part of a DNA strand is the following: -ATTC 2021-10-06 26
Which of these three-letter codes is correct regarding the amino acid isoleucine? AIle BIsl CIso Which of these three-letter codes is correct regarding the amino acid isoleucine? AIle BIsl CIso 2021-10-06 29
我的答案：A 13 Which of the following amino acids are belonged to the basic amino acids? APhe Tyr 我的答案：A 13 Which of the following amino acids are belonged to the basic amino acids? APhe Tyr 2021-10-06 16
简答题 珍奥核酸是一种口服保健品，有用吗？ 填写答案 注：此为开放性试题，无标准答案，请自行作答 《核酸结构与功能》case file study 待做 简答题 珍奥核酸是一种口服保健品，有用吗？ 填写答案 注：此为开放性试题，无标准答案，请自行作答 《核酸结构与功能》case file study 待做 2021-10-06 22
CCarbohydrate Damino acid Eall four 我的答案：A 17 CCarbohydrate Damino acid Eall four 我的答案：A 17 2021-10-06 21
CA truncated neuronal protein DA misfolded form of a normal protein E A truncated extracellular protein 我的答案：D CA truncated neuronal protein DA misfolded form of a normal protein E A truncated extracellular protein 我的答案：D 2021-10-06 22
How many amino acids are involved in making proteins in humans? A5 B20 C35 D64 How many amino acids are involved in making proteins in humans? A5 B20 C35 D64 2021-10-05 27
A part of protein sequence that can form a compact three-dimensional structure and often can be independently folded is A part of protein sequence that can form a compact three-dimensional structure and often can be independently folded is 2021-10-05 19
BA dipeptide CA tripeptide DA tetrapeptide EA pentapeptide 我的答案：C BA dipeptide CA tripeptide DA tetrapeptide EA pentapeptide 我的答案：C 2021-10-05 30
14 Consider the following structure: This structure is best described as which of the following? AAn amino acid 14 Consider the following structure: This structure is best described as which of the following? AAn amino acid 2021-10-04 21
AL-α-amino acids BD-α-amino acids CL-β-amino acids DD-β-amino acids EL- and D-β-amino acids AL-α-amino acids BD-α-amino acids CL-β-amino acids DD-β-amino acids EL- and D-β-amino acids 2021-10-03 23
The covalent bond formed between the carboxyl group of one amino acid and the amino group of another amino acid is calle The covalent bond formed between the carboxyl group of one amino acid and the amino group of another amino acid is calle 2021-10-03 157
我的答案：ABCD Which of the following amino acids are belonged to the acidic amino acids? APhe Tyr BMet Cys 我的答案：ABCD Which of the following amino acids are belonged to the acidic amino acids? APhe Tyr BMet Cys 2021-10-02 16
E The taut conformation of hemoglobin is stabilized by several salt bridges that form between the subunits. 我的答案：BDE E The taut conformation of hemoglobin is stabilized by several salt bridges that form between the subunits. 我的答案：BDE 2021-10-02 16
induction until it comprises 50% of the hemoglobin tetramer. C The β-chain in fetal hemoglobin is present throughout ges induction until it comprises 50% of the hemoglobin tetramer. C The β-chain in fetal hemoglobin is present throughout ges 2021-10-02 20
Select the one of the following statements that is NOT CORRECT : A Changes in configuration involve the rupture of coval Select the one of the following statements that is NOT CORRECT : A Changes in configuration involve the rupture of coval 2021-10-02 9
E In a β-sheet the R-group of adjacent residues point in opposite directions relative to the plane of the sheet. 我的答案：B E In a β-sheet the R-group of adjacent residues point in opposite directions relative to the plane of the sheet. 我的答案：B 2021-10-02 22
Select the one of the following statements that is NOT CORRECT : A The Bohr effect refers to the release of protons tha Select the one of the following statements that is NOT CORRECT : A The Bohr effect refers to the release of protons tha 2021-10-02 15
C Protein folding is driven first and foremost by the thermodynamics of the water molecules surrounding the nascent pol C Protein folding is driven first and foremost by the thermodynamics of the water molecules surrounding the nascent pol 2021-10-01 13
