MatheMatical Sketch a titration curve for the amino acid lysine, and indicate the pKa values for all titratable groups. Also indicate the pH at which the amino acid has no net charge.
Answer to relevant QuestionsMatheMatical Sketch a titration curve for aspartic acid, and indicate the pKa values of all titratable groups. Also indicate the pH range in which the conjugate acid–base pair +1 Asp and 0 Asp will act as a buffer. Consider the following peptides: Phe! Glu! Ser! Met and Val! Trp! Cys! Leu. Do these peptides have differ-ent net charges at pH 1? At pH 7? Indicate the charges at both pH values. Are amino acids other than the usual 20 amino acids found in proteins? If so, how are such amino acids incorporated into proteins? Give an example of such an amino acid and a protein in which it occurs. The terms configuration and conformation appear in descriptions of molecular structure. How do they differ? How does the difference between the b-chain and the g-chain of hemoglobin explain the differences in oxygen binding between Hb A and Hb F?
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