B- Calculate the missing value of the amino acids listed in the table below. Amino acid phenylalanine pKal pKa2 pl 1.83 9.13 Serine Asparagine 9.15 --- 5.56 2.02 5.41
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- After a polypeptide chain has been synthesized, certain amino acids in the peptide may become modified. For each modified amino acid, identify the standard amino acid from which it is derived. Enter the unabbreviated name of the standard amino acid. OH I *NH,CH,–C–CH,CH,—CH–COO H C *NH₂ standard amino acid: Identify the modification that yields the first amino acid depicted. addition of a hydroxyl group addition of an amino group modification of the existing amino group modification of the existing hydroxyl group elongation of the side chain by the addition of a -CH₂- group.com/forms/d/e/1 FAlpQLSenLacS5BakgugJMG pBYf0hNjcZaGs2F2MZs4Kn Y10W43JQ/formResponse MCQ Which of the following oligopeptides has net charge equal to zero? O Glutamate - Arginine - Aspartate Lysine O Histidine - Glycine - Tyrosine - Cystine | Glutamate - Alanine - Phenylalanine - Proline O Tryptophan - Methionine - Lysine - ArginineDiscuss the potential difficulties of designing a diet to alleviate the symptoms of phenylketonuria.
- Thr-Lys-Pro-Ile-Val-Ala-Pro-Met-Glu-Tyr-Gly-Lys Write the sequence using one-letter abbreviations. sequence: TLPIVAPMGYGK Incorrect Estimate the net charge on the peptide at pH 7. charge at pH 7: +1 Estimate the net charge on the peptide at pH 12. charge at pH 12: 0 IncorrectWrite down the abbreviations (both 1 letter and 3 letter) for the amino acids given below:Tryptophan, Glutamine, Isoleucine, Cysteine, Argininewhat are the molecular way to diagnose Lactose intolerance disorder ? describe in detail about diagnostic phenomena of lactose intolerance and possible treatment.
- Write the following oligopeptide using the one letter code for the amino acids: Cys-His-lle-Leu-Glu N.B. Use upper case characters only, pleasewhat is lactose intolerance ? describe the molecular life cycle for this disease. also describe how it occurs in a molecular level detailed mechanism. what causes this disease and how it develops ? provide detailed biochemical phenomena and life cycle for Lactose Intolerance condition.15. Shown here is a 5HT3 receptor protein, what structural motif is exhibited in the alpha domain. Thickness of membrane
- H CH₂ H₂C HC-CH3 CH₂ H H₂C (S) H₂C H CH₂ CH₂ CH₂ NH O C NH NH₂ a) Which of the following statements about this peptide are correct? Group of answer choices Treatment of this peptide with trypsin generates two products. This peptide is a substrate for carboxypeptidase A Treatment of this peptide with cyanogen bromide generates a pentapeptide and a tripeptide. Treatment of this peptide with chymotrypsin generates three products. Treatment of this peptide with elastase generates 2 products. None of the above statements are correct. b) What is the sequence of this peptide using one letter abbreviations? c) What is the pH which would correspond to the ionization of the peptide as drawn above? 1, 5, 7, 10, 14Identify the 20 amino acids and their corresponding three-letter and one-letter abbreviationsBased on the pK, table for amino acids (Table 1.1), draw the structures with net charge, and the equilibria representing the complete deprotonation of aspartate. Table 1.1 Name pK pk2 pKR Glycine Alanine 2.4 9.8 2.3 9.7 Valine 2.3 2.4 9.6 Leucine 9.6 Isoleucine 2.4 9.7 Methionine 2.3 9.2 Phenylalanine Proline Serine 1.8 9.1 2.0 10.6 2.1 9.2 Threonine 2.6 10.4 Cysteine Asparagine Glutamine 1.8 10.8 8.3 2.0 8.8 2.2 9.1 Tyrosine Tryptophan Aspartate Glutamate 2.2 9.1 10.9 2.4 9.4 2.0 2.2 10.0 3.9 9.7 4.3 Histidine 1.8 9.2 6.0 10.8 Lysine Arginine 2.2 9.2 1.8 9.0 12.5