[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fs2WKnOk-UGFb8X3pjcCW2DI07CRDCc2IlDla-lEBVI0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":20,"related":21,"source":32,"type":33},[],"2023-06-18 14:52:44",69500361,[8,9,10,11,12],"Protein folding is assisted by intervention of specialized auxiliary proteins called chaperone","Protein folding tends to be modular, with areas of local secondary structure forming first, then coalescing into a molten globule","Protein folding is driven first and foremost by the thermodynamics of the water molecules surrounding the nascent polypeptide","The formation of S-S bond in a mature protein is facilitated by the enzyme protein disulfide isomerase","Only a few unusual proteins, such as collagen, require posttranslational processing by partial proteolysis to attain their mature conformation",{"count":14,"courseId":15,"courseImg":16,"courseName":17,"workId":18,"workName":19},19,"a10429213f2a2f21d2f1df7a88536467","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffec059a1b96d98754a0e99b8dc5d88a5.jpg","生物化学","79184958fd3245a6ad69bf3c7866c0eb","选择题","Select the one of the following statements that is NOT CORRECT",[22,34,44,53,56,66,75,81,90,100],{"answer":23,"createTime":5,"id":24,"options":25,"question":31,"source":32,"type":33},[],69500358,[26,27,28,29,30],"Arginine","Aspartic acid","Glutamic acid","Valine","Lysine","2. The oxygen carrier of muscle is the globular protein myoglobin. Which of the following amino acids is highly likely to be localized within the interior of the molecule","v1",1,{"answer":35,"createTime":5,"id":36,"options":37,"question":43,"source":32,"type":33},[],69500359,[38,39,40,41,42],"Protein","Fat","Carbohydrate","amino acid","all four","When using Biuret's test, which macromolecule will produce a positive reaction (colour change from blue to lilac)",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":32,"type":33},[],69500360,[48,49,50,51,29],"Alanine","Glycine","Histidine","Leucine","3.A 6-year-old African American girl with speech delay is found to have a large, abnormal peak when blood amino acids are measured. The abnormal amino acid migrates toward the cathode, indicating a positively charged side group in addition to its carboxyl and amino groups. Which of the following amino acids is most probable",{"answer":54,"createTime":5,"id":6,"options":55,"question":20,"source":32,"type":33},[],[8,9,10,11,12],{"answer":57,"createTime":5,"id":58,"options":59,"question":65,"source":32,"type":33},[],69500362,[60,61,62,63,64],"L-α-amino acids","D-α-amino acids","L-β-amino acids","D-β-amino acids","L- and D-β-amino acids","Proteins are large biological molecules consist of which of the following amino acids",{"answer":67,"createTime":5,"id":68,"options":69,"question":74,"source":32,"type":33},[],69500363,[70,71,72,73],"5","20","35","64","How many amino acids are involved in making proteins in humans",{"answer":76,"createTime":5,"id":77,"options":78,"question":80,"source":32,"type":33},[],69500364,[79,79,79,79],"如图","Consider the amino acid shown below. The configuration about which atom will determine whether the amino acid is in the D or L configuration?\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1527a25e8b43d40320a7d14c46b952e9.jpg\">",{"answer":82,"createTime":5,"id":83,"options":84,"question":20,"source":32,"type":33},[],69500365,[85,86,87,88,89],"Ion-exchange chromatograph separates proteins based upon the sign and magnitude of their charge at a given PH","Two-dimensional gel electrophoresis separates proteins first on the basis of their PI values and second on their charge to mass ratio using SDS","Affinity chromatograph exploits the selectivity of protein-ligand interactions to isolate a specific protein from a complex mixture","Many recombinant proteins are expressed with an additional domain fused to their N-or C-terminals. One common component of these fusion domains is a ligand binding site designed expressly to facilitate purification by affinity chromatography","Tandem mass spectrometry can analyze peptides derived from complex protein mixtures without their prior separation",{"answer":91,"createTime":5,"id":92,"options":93,"question":99,"source":32,"type":33},[],69500366,[94,95,96,97,98],"Phosphoester bond","phosphodiester bond","Peptide bond","Glycosidic bond","Thioester bond","The covalent bond formed between the carboxyl group of one amino acid and the amino group of another amino acid is called______",{"answer":101,"createTime":5,"id":102,"options":103,"question":109,"source":32,"type":33},[],69500367,[104,105,106,107,108],"An amino acid","A dipeptide","A tripeptide","A tetrapeptide","A pentapeptide","Consider the following structure: \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe2e64d0970bec1e27b887b85b33c6730.jpg\">This structure is best described as which of the following"]