Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin oxygen affinity? 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 No effect on oxygen affinity Increase affinity in muscle cell otherwise decrease ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The oxygen in hemoglobin and myoglobin is bound to histidine residues in the protein the iron atom in the heme group lysine residues in the protein the nitrogen atoms on the heme histidine residues in the protein the iron atom in the heme group lysine residues in the protein the nitrogen atoms on the heme ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the proportion of glycine residues in collagenous regions? One-tenth One-fourth Half One-third One-tenth One-fourth Half One-third ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides When pO2 = Kd of myoglobin, the fractional saturation (YO2) is about 1.7 0.5 0.9 0.1 1.7 0.5 0.9 0.1 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides If the F and Y angles of each peptide unit in a protein are known, which of the following may also be determined? Thermodynamic stability Complete secondary structure Complete quaternary structure Complete tertiary structure Thermodynamic stability Complete secondary structure Complete quaternary structure Complete tertiary structure 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
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