• 2022-06-14 问题

    The primary structure of protein is primarily maintained by A: peptide bond B: hydrogen bond C: ionic bond D: hydrophobic bond E: covalent bond

    The primary structure of protein is primarily maintained by A: peptide bond B: hydrogen bond C: ionic bond D: hydrophobic bond E: covalent bond

  • 2021-04-14 问题

    在欧洲专利局网站查找专利名称为“DESIGN AND MANUFACTURE OF HYDROPHOBIC SURFACES” 的专利文献,下列结果正确的是

    在欧洲专利局网站查找专利名称为“DESIGN AND MANUFACTURE OF HYDROPHOBIC SURFACES” 的专利文献,下列结果正确的是

  • 2021-04-14 问题

    在欧洲专利局网站查找专利名称为“DESIGN AND MANUFACTURE OF HYDROPHOBIC SURFACES” 的专利文献,下列结果正确的是

    在欧洲专利局网站查找专利名称为“DESIGN AND MANUFACTURE OF HYDROPHOBIC SURFACES” 的专利文献,下列结果正确的是

  • 2021-04-14 问题

    中国大学MOOC: 在欧洲专利局网站查找专利名称为“DESIGN AND MANUFACTURE OF HYDROPHOBIC SURFACES” 的专利文献,下列结果正确的是:

    中国大学MOOC: 在欧洲专利局网站查找专利名称为“DESIGN AND MANUFACTURE OF HYDROPHOBIC SURFACES” 的专利文献,下列结果正确的是:

  • 2022-05-31 问题

    The primary<br/>structure of a protein is mostly maintained by () A: Peptide bond B: Hydrogen bond C: lonic bond D: Hydrophobic bonds E: Van der Waals<br/>interactions

    The primary<br/>structure of a protein is mostly maintained by () A: Peptide bond B: Hydrogen bond C: lonic bond D: Hydrophobic bonds E: Van der Waals<br/>interactions

  • 2022-06-19 问题

    Which of the following bond link the nucleotide in the primary structure of nucleic acid? () A: peptide<br/>bond B: hydrogen bond C: 3′,5′-phosphodiester bond D: salt bond E: hydrophobic bond

    Which of the following bond link the nucleotide in the primary structure of nucleic acid? () A: peptide<br/>bond B: hydrogen bond C: 3′,5′-phosphodiester bond D: salt bond E: hydrophobic bond

  • 2022-06-09 问题

    The spatial conformation of a protein mainly depends on A: α-helix and β-sheet B: the sequence of amino acids in polypeptide chain C: disulfide bonds in polypeptide chain D: hydrophobic effects in polypeptide chain E: hydrogen bonds in polypeptide chain

    The spatial conformation of a protein mainly depends on A: α-helix and β-sheet B: the sequence of amino acids in polypeptide chain C: disulfide bonds in polypeptide chain D: hydrophobic effects in polypeptide chain E: hydrogen bonds in polypeptide chain

  • 2022-05-29 问题

    Which of the following is False? A: Carbohydrates are the major energy storage molecule of plants. B: Carbohydrates are the major source of rapidly available energy stores in people. C: Carbohydrates include cellulose. D: Carbohydrates are hydrophobic and don’t retain water in the body.

    Which of the following is False? A: Carbohydrates are the major energy storage molecule of plants. B: Carbohydrates are the major source of rapidly available energy stores in people. C: Carbohydrates include cellulose. D: Carbohydrates are hydrophobic and don’t retain water in the body.

  • 2022-05-30 问题

    As a means of high-throughput protein analysis, the main advantages of 2-DE lies in A: continuous and automated sample preparation and two-dimensional gel electrophoresis. B: The results of 2-DE containing thousands of protein spots harbouring different isoelectric point and/or molecular size. C: its capability in detecting particularly low protein. D: its capability in detecting hydrophobic proteins.

    As a means of high-throughput protein analysis, the main advantages of 2-DE lies in A: continuous and automated sample preparation and two-dimensional gel electrophoresis. B: The results of 2-DE containing thousands of protein spots harbouring different isoelectric point and/or molecular size. C: its capability in detecting particularly low protein. D: its capability in detecting hydrophobic proteins.

  • 2022-05-31 问题

    The correct statements about fats include: A: No fat on the membrane B: Fat tends to pile up inside the cell, mainly stabilized by hydrophobic bonds C: As an energy storage substance, its energy storage efficiency is higher than glycogen or protein D: It is suitable as a long-term energy reserve for organisms E: Fat also has the function of keeping warm and increasing buoyancy

    The correct statements about fats include: A: No fat on the membrane B: Fat tends to pile up inside the cell, mainly stabilized by hydrophobic bonds C: As an energy storage substance, its energy storage efficiency is higher than glycogen or protein D: It is suitable as a long-term energy reserve for organisms E: Fat also has the function of keeping warm and increasing buoyancy

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