Biochemistry (9th Edition)

Chapter 3

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The D and L-form differ in terms of the ... more

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The amino acid that is strictly not an amino acid... more

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SerineCysteineThreonineLysineAsparagineAspartic ... more

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In the given peptide:  Polar amino acid : Serine, ... more

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Acidic amino acids: Glu, Asp.Nonpolar amino acids... more

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YesThrough post-translational modifications.... more

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; pKa value of amino acid suggests whether it ... more

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; pKa of an amino acid suggests whether it will ... more

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; At a pH greater than the pKa of the acid, the H... more

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Glutamic acid=3.22Serine=5.68Histidine=7.58Lysine=... more

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; 5.02 ; When an amino acid undergoes titration, ... more

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; 9.74 ; When an amino acid undergoes titration, ... more

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60%8%0.6%NoBy taking less residues, taking more ... more

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; 1.09-3.09  ; When an amino acid undergoes ... more

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At extreme pH, the amino acids are charged ... more

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Yes Cysteine ; A buffer is an aqueous solution of ... more

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; Structure of glutamic acid. ; Now, according to... more

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pI = 6.96 ; Structure of glutamic acid. ; One of ... more

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Charged groups: of valine as well as the guanidine... more

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Yes, both will have +1 charge at pH 1.No, the ... more

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(a) Lysine(b) Serine ; The amino acids are needed ... more

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YesGlycine can act as a buffer in the pH range of ... more

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; A bond that is formed between the C of carboxyl... more

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The peptide bond is a amide bond and it has a ... more

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Yes. ; If the amino group of amino acids is bonded... more

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Yes, because the amino amino acid has free ... more

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Both peptides have a different amino acid sequence... more

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The two peptides mentioned have same general shape... more

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Asp-Leu-Phe, Leu-Asp-Phe, Phe-Asp-Leu, Asp-Phe-Leu... more

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DLF, FDL, LFD, FLD, LDF, DFL ; Amino acids are the... more

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molecules. ; There are 100 amino acid residues ... more

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Two products are formed, alanyl glycine and glycyl... more

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Any of the atoms of the peptide bond do not have ... more

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No, they don’t. ; A peptide bond is a bond formed ... more

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Amino acids are more stable as compared to other ... more

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The 20 proteogenic amino acids can have numerous ... more

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Hydroxyproline and thyroxine are not a part of the... more

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Peptide bonds refer to the bonds which exist ... more

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Electrophoresis is a method by which the peptides ... more

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The biosynthesis of amino acids and the proteins ... more

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The carboxyl group and the amine group of alanine ... more

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Very few amino acids contain side chains that have... more

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Amino acids polymerize to form proteins that have ... more

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There is no possibility of the formation of ... more

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The stereospecificity loss of amino acids and the ... more

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The third and eighth amino acids in oxytocin are ... more

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Oxytocin:  Oxytocin has two functions. The first ... more

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The disulfide bonds give oxytocin and vasopressin ... more

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A chain of amino acid units called a peptide is ... more

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Oxytocin is a peptide hormone or neuropeptide ... more

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Humans have employed nasal intake of hormones to ... more

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Ethical considerations:Informed consent refers to ... more

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Knowing more about the genotype of the gene helps ... more

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; When an amino acid is titrated, at low pH, the ... more

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