• 2021-04-14 问题

    The electron transport chain is made up of four segments (Complexes I-IV with O2 as the final electron acceptor). Which statement best descr

    The electron transport chain is made up of four segments (Complexes I-IV with O2 as the final electron acceptor). Which statement best descr

  • 2022-06-19 问题

    Regarding the magnetism of the complex, the following statement is<br/>incorrect: ( ). A: The magnetism of complexes is one of the important properties of<br/>complexes B: If all substances are placed separately in a magnetic field, they can<br/>be divided into two groups according to their influence by the<br/>magnetic field: diamagnetic, paramagnetic, and ferromagnetic C: Ferromagnetism is a substance, which is strongly attracted by a<br/>magnetic field D: Most of substances are paramagnetic

    Regarding the magnetism of the complex, the following statement is<br/>incorrect: ( ). A: The magnetism of complexes is one of the important properties of<br/>complexes B: If all substances are placed separately in a magnetic field, they can<br/>be divided into two groups according to their influence by the<br/>magnetic field: diamagnetic, paramagnetic, and ferromagnetic C: Ferromagnetism is a substance, which is strongly attracted by a<br/>magnetic field D: Most of substances are paramagnetic

  • 2021-04-14 问题

    The electron transport chain is made up of four segments (Complexes I-IV with O2 as the final electron acceptor). Which statement best describes the electron transport chain

    The electron transport chain is made up of four segments (Complexes I-IV with O2 as the final electron acceptor). Which statement best describes the electron transport chain

  • 2021-04-14 问题

    The electron transport chain is made up of four segments (Complexes I-IV with O2 as the final electron acceptor). Which statement best describes the electron transport chain?

    The electron transport chain is made up of four segments (Complexes I-IV with O2 as the final electron acceptor). Which statement best describes the electron transport chain?

  • 2022-06-19 问题

    Histone deacetylases (HDACs) are a group of enzymes closely related to __________. They catalyze acetyl group removal from lysine residues in histones and non-histone proteins, causing transcriptional repression. HDACs are usually components of multiprotein complexes.

    Histone deacetylases (HDACs) are a group of enzymes closely related to __________. They catalyze acetyl group removal from lysine residues in histones and non-histone proteins, causing transcriptional repression. HDACs are usually components of multiprotein complexes.

  • 2022-06-05 问题

    Among the following statements, which one is wrong concerning mortality of bacteremia due to Streptococcus pneumoniae inflicted bacteremia? A: They are produced in bacteria by very large intracellular enzymatic complexes. B: They are produced by bacterial consortia. C: They are produced by viruses

    Among the following statements, which one is wrong concerning mortality of bacteremia due to Streptococcus pneumoniae inflicted bacteremia? A: They are produced in bacteria by very large intracellular enzymatic complexes. B: They are produced by bacterial consortia. C: They are produced by viruses

  • 2022-06-06 问题

    Les champs d’intérêts de Foucault mentionnés dans le cours sont : A: Les institutions sociales B: L’histoire de la sexualité C: Les relations complexes entre pouvoir et connaissance. D: Le pouvoir.

    Les champs d’intérêts de Foucault mentionnés dans le cours sont : A: Les institutions sociales B: L’histoire de la sexualité C: Les relations complexes entre pouvoir et connaissance. D: Le pouvoir.

  • 2022-06-11 问题

    Which of the following methods is not used by cells to regulate the amount of a protein in the cell A: Genes can be transcribed into mRNA with different efficiencies. B: Many ribosomes can bind to a single mRNA molecule. C: Proteins can be tagged with ubiquitin, marking them for degradation. D: Nuclear pore complexes can regulate the speed at which newly synthesized proteins are exported from the nucleus into the cytoplasm.

    Which of the following methods is not used by cells to regulate the amount of a protein in the cell A: Genes can be transcribed into mRNA with different efficiencies. B: Many ribosomes can bind to a single mRNA molecule. C: Proteins can be tagged with ubiquitin, marking them for degradation. D: Nuclear pore complexes can regulate the speed at which newly synthesized proteins are exported from the nucleus into the cytoplasm.

  • 2022-06-11 问题

    请问:1983年诺贝尔化学奖获得者姓名,贡献分别是下列哪个选项? A: Gerhard Ertl "for his studies of chemical processes on solid surfaces." B: Ahmed Zewail "for his studies of the transition states of chemical reactions using femtosecond spectroscopy." C: Henry Taube "for his work on the mechanisms of electron transfer reactions, especially in metal complexes." D: Peter Mitchell "for his contribution to the understanding of biological energy transfer through the formulation of the chemiosmotic theory." E: 以上都不是

    请问:1983年诺贝尔化学奖获得者姓名,贡献分别是下列哪个选项? A: Gerhard Ertl "for his studies of chemical processes on solid surfaces." B: Ahmed Zewail "for his studies of the transition states of chemical reactions using femtosecond spectroscopy." C: Henry Taube "for his work on the mechanisms of electron transfer reactions, especially in metal complexes." D: Peter Mitchell "for his contribution to the understanding of biological energy transfer through the formulation of the chemiosmotic theory." E: 以上都不是

  • 2022-11-04 问题

    下列哪些描述不是转录激活因子促进转录的机制( ) A: 转录激活因子可以直接或者间接通过中介子与通用因子相互作用,帮助将通用因子和RNA聚合酶复合体招募到核心启动子 B: 招募组蛋白乙酰转移酶(Histone acetyl transferase), 解开染色质结构 C: 招募染色质重塑复合物 (Chromatin remodeling complexes) D: 招募组蛋白脱乙酰基酶 (Histone deacetylases)

    下列哪些描述不是转录激活因子促进转录的机制( ) A: 转录激活因子可以直接或者间接通过中介子与通用因子相互作用,帮助将通用因子和RNA聚合酶复合体招募到核心启动子 B: 招募组蛋白乙酰转移酶(Histone acetyl transferase), 解开染色质结构 C: 招募染色质重塑复合物 (Chromatin remodeling complexes) D: 招募组蛋白脱乙酰基酶 (Histone deacetylases)

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