Question

38,39

38. Which of the lanes in the gel below would represent an "uninduced" sample? M, 1 23 456 78 A) 1 B) C)3 D) 4 E) 5 2 39. lodoacetamides, maleimides, benzyl halides, and bromomethyl ketones can all be used to modify the residues group on A) amino; basic B) phenyl; Tyr and Trp C) carboxyl; acidic D) sulfhydryl; Cys E) hydroxyl; Ser and Tyr 40. Which statement about intrinsically disordered proteins is TRUE? A) B) C) They contain small hydrophobic cores. They represent misfolded conformations of cellular proteins. They have no stable three-dimensional structure and therefore have no cellular function. They are responsible for proteostasis They can interact with multiple protein-binding partners and are central to protein interaction networks E 41. Pauling and Corey's studies of the peptide bond showed that A at pH 7, many different peptide bond conformations are equally probable B) peptide bonds are essentially planar, with no rotation about the C-N axis peptide bonds in proteins are unusual, and unlike those in small model compounds. D) peptide bond structure is extraordinarily complex. E) primary structure of all proteins is similar, although the secondary and tertiary structure may differ greatly

Answer 1

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