Structure and Properties of Peptides The oxygen in hemoglobin and myoglobin is bound to the nitrogen atoms on the heme histidine residues in the protein lysine residues in the protein the iron atom in the heme group the nitrogen atoms on the heme histidine residues in the protein lysine residues in the protein the iron atom in the heme group ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The Ramachandran Plot illustrates the fact that the peptide bond is planar the F & Y angles can assume only a single value in a protein the F & Y angles can assume any value in a peptide the F & Y angles can assume approximately three different values the peptide bond is planar the F & Y angles can assume only a single value in a protein the F & Y angles can assume any value in a peptide the F & Y angles can assume approximately three different values ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The heme is held in place by a bond between the Fe3+ and histidine the Fe2+ and histidine the Fe2+ and cysteine the Fe3+ and cysteine the Fe3+ and histidine the Fe2+ and histidine the Fe2+ and cysteine the Fe3+ and cysteine 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 is still not completely understood both (a) and (b) is stronger than an ordinary single bond has partial double bond character is still not completely understood both (a) and (b) is stronger than an ordinary single bond has partial double bond character ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides When pO2 = Kd of myoglobin, the fractional saturation (YO2) is about 0.1 0.9 1.7 0.5 0.1 0.9 1.7 0.5 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Disulfide bonds most often stabilize the native structure of extracellular proteins dimeric proteins intracellular proteins hydrophobic proteins extracellular proteins dimeric proteins intracellular proteins hydrophobic proteins ANSWER DOWNLOAD EXAMIANS APP