Structure and Properties of Peptides The heme is held in place by a bond between the Fe3+ and cysteine the Fe3+ and histidine the Fe2+ and cysteine the Fe2+ and histidine the Fe3+ and cysteine the Fe3+ and histidine the Fe2+ and cysteine the Fe2+ and histidine ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What was the first protein whose complete tertiary structure was determined? Myoglobin Pancreatic DNase Pancreatic ribonuclease Lysozyme Myoglobin Pancreatic DNase Pancreatic ribonuclease Lysozyme ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Hemoglobin has quaternary structure and is made up of five polypeptide chains, two α-chains and three β-chains two polypeptide chains, one α-chains and one β-chains six polypeptide chains, two α-chains and four β-chains four polypeptide chains, two α-chains and two β-chains five polypeptide chains, two α-chains and three β-chains two polypeptide chains, one α-chains and one β-chains six polypeptide chains, two α-chains and four β-chains four polypeptide chains, two α-chains and two β-chains 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 still not completely understood has partial double bond character is stronger than an ordinary single bond both (a) and (b) is still not completely understood has partial double bond character is stronger than an ordinary single bond ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the proportion of glycine residues in collagenous regions? Half One-fourth One-tenth One-third Half One-fourth One-tenth One-third ANSWER DOWNLOAD EXAMIANS APP
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
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