A small generic section of the primary structure of an a helix is given below. ?amino acid1 ?amino acid2 ?amino acid3 ?amino acid4 ?amino acid5 ?amino acid6 ?amino acid7? (a) Which amino acid residue?s backbone forms a hydrogen bond with the backbone of the sixth (6th) residue? Choose the correct residue from the drop-down menu. amino acid Select answer (b) Which of the following peptide segments is most likely to be part of a stable a helix at physiological pH? (c) How many hydrogen bonds can be formed within the backbone of 7 residues? Do not count the hydrogen bonds between this section and outside the section
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Consider the reduction reactions and their equilibrium constants. cu+(aq)+eββ½βββcu(s)pb2+(aq)+2eββ½βββpb(s)fe3+(aq)+3eββ½βββfe(=6.2Γ108=4.0Γ10β5=9.3Γ10β3 cu + ( aq ) + e β β½ β β β cu ( s ) k =6.2Γ 10 8 pb 2 + ( aq ) +2 e β β½ β β β pb ( s ) k =4.0Γ 10 β 5 fe 3 + ( aq ) +3 e β β½ β β β fe ( s ) k =9.3Γ 10 β 3 arrange these ions from strongest to weakest oxidizing agent.
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What is the molar mass of the anhydrous compound? answer using four significant figures. 36.02 g/mol 120.15 g/mol 156.12 g/mol
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A small generic section of the primary structure of an a helix is given below. ?amino acid1 ?amino a...
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