Structure and Properties of Peptides The major element of secondary structure in myoglobin and hemoglobin is the P-strand the reverse turn the a-helix All of these the P-strand the reverse turn the a-helix All of these ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Hemoglobin has quaternary structure and is made up of 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 two polypeptide chains, one α-chains and one β-chains four polypeptide chains, two α-chains and two β-chains ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin oxygen affinity? No effect on oxygen affinity Increase affinity in muscle cell otherwise decrease Increase in oxygen affinity Decrease in oxygen affinity No effect on oxygen affinity Increase affinity in muscle cell otherwise decrease Increase in oxygen affinity Decrease in oxygen affinity ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides When pO2 = Kd of myoglobin, the fractional saturation (YO2) is about 1.7 0.1 0.5 0.9 1.7 0.1 0.5 0.9 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The resonance structures that can be drawn for the peptide bond indicate that the peptide bond both (a) and (b) is stronger than an ordinary single bond is still not completely understood has partial double bond character both (a) and (b) is stronger than an ordinary single bond is still not completely understood has partial double bond character ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The oxygen in hemoglobin and myoglobin is bound to histidine residues in the protein the nitrogen atoms on the heme lysine residues in the protein the iron atom in the heme group histidine residues in the protein the nitrogen atoms on the heme lysine residues in the protein the iron atom in the heme group ANSWER DOWNLOAD EXAMIANS APP