Structure and Properties of Peptides Hydrogen bonds in a-helices are analogous to the steps in a spiral staircase roughly parallel to the helix axis more numerous than Vander Waals interactions not present at Phe residues analogous to the steps in a spiral staircase roughly parallel to the helix axis more numerous than Vander Waals interactions not present at Phe residues ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The Ramachandran Plot illustrates the fact that the F & Y angles can assume only a single value in a protein the F & Y angles can assume approximately three different values the peptide bond is planar the F & Y angles can assume any value in a peptide the F & Y angles can assume only a single value in a protein the F & Y angles can assume approximately three different values the peptide bond is planar the F & Y angles can assume any value in a peptide ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Heme is the binding pocket of myoglobin and hemoglobin and is composed of hydrophobic residues negatively charged residues positively charged residues polar residues hydrophobic residues negatively charged residues positively charged residues polar residues ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The oxygen binding curves of hemoglobin and myoglobin are a consequence of the quaternary structure of hemoglobin allow maximum transfer of oxygen to the tissues both (a) and (b) are identical are a consequence of the quaternary structure of hemoglobin allow maximum transfer of oxygen to the tissues both (a) and (b) are identical 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 quaternary structure Complete tertiary structure Complete secondary structure Thermodynamic stability Complete quaternary structure Complete tertiary structure Complete secondary structure 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 stronger than an ordinary single bond is still not completely understood both (a) and (b) has partial double bond character is stronger than an ordinary single bond is still not completely understood both (a) and (b) has partial double bond character ANSWER DOWNLOAD EXAMIANS APP