Structure and Properties of Peptides In the β-pleated sheet the polypeptide chain is fully extended hydrogen bonds are formed between the peptide bonds All of these adjacent polypeptide chains can either be parallel or antiparallel the polypeptide chain is fully extended hydrogen bonds are formed between the peptide bonds All of these adjacent polypeptide chains can either be parallel or antiparallel ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Heme is the binding pocket of myoglobin and hemoglobin and is composed of hydrophobic residues positively charged residues negatively charged residues polar residues hydrophobic residues positively charged residues negatively charged residues polar residues ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The oxygen in hemoglobin and myoglobin is bound to the nitrogen atoms on the heme lysine residues in the protein histidine residues in the protein the iron atom in the heme group the nitrogen atoms on the heme lysine residues in the protein histidine residues in the protein the iron atom in the heme group ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The peptide, Val-Lys-Glu-Met-Ser-Trp-Arg-Ala, was digested with cyanogen bromide (CNBr) to produce: Val-Lys-Glu-Met + Ser-Trp-Arg-Ala Val-Lys + Glu-Met-Ser + Trp-Arg-Ala Val-Lys-Glu-Met-Ser-Trp + Arg-Ala Val-Lys-Glu + Met-Ser-Trp-Arg-Ala Val-Lys-Glu-Met + Ser-Trp-Arg-Ala Val-Lys + Glu-Met-Ser + Trp-Arg-Ala Val-Lys-Glu-Met-Ser-Trp + Arg-Ala Val-Lys-Glu + Met-Ser-Trp-Arg-Ala ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin oxygen affinity? Increase affinity in muscle cell otherwise decrease Decrease in oxygen affinity No effect on oxygen affinity Increase in oxygen affinity Increase affinity in muscle cell otherwise decrease Decrease in oxygen affinity No effect on oxygen affinity Increase in oxygen affinity ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Hemoglobin has quaternary structure and is made up of two polypeptide chains, one α-chains and one β-chains four polypeptide chains, two α-chains and two β-chains six polypeptide chains, two α-chains and four β-chains five polypeptide chains, two α-chains and three β-chains two polypeptide chains, one α-chains and one β-chains four polypeptide chains, two α-chains and two β-chains six polypeptide chains, two α-chains and four β-chains five polypeptide chains, two α-chains and three β-chains ANSWER DOWNLOAD EXAMIANS APP
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