Over 100 different kinds of mutant hemoglobin molecules have been detected in humans. Unlike sickle cell anemia, not all of these mutations are as serious. In one nonlethal mutation, glutamine substitutes for a single glutamic acid in normal hemoglobin. Rationalize why this substitution is nonlethal.
Answer to relevant QuestionsDraw’ cyclic structures for D-ribose and D-mannose. Which of the amino acids in Fig. contain more than one chiral carbon atom? Draw the structures of these amino acids, and indicate all chiral carbon atoms. The change of a single base in the DNA sequence for normal hemoglobin can encode for the abnormal hemo¬globin, giving rise to sickle cell anemia. Which base in the codon for glu in DNA is replaced to give the codon(s) for ...Ethelene oxide, is an important industrial chemical. Although most ethers are unreactive, ethylene oxide is quite reactive. It resembles C2H4 in its reactions in that many addition reactions occur across the C—O bond. a. ...a. Use bond energies to estimate ∆H for the reaction of two molecules of glycine to form a peptide linkage. b. Would you predict ∆S to favor the formation of peptide linkages between rwo molecules of glycine? c. Would ...
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