Structure and Properties of Peptides Hydrogen bonds in a-helices are analogous to the steps in a spiral staircase more numerous than Vander Waals interactions not present at Phe residues roughly parallel to the helix axis analogous to the steps in a spiral staircase more numerous than Vander Waals interactions not present at Phe residues roughly parallel to the helix axis ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In the β-pleated sheet the polypeptide chain is fully extended adjacent polypeptide chains can either be parallel or antiparallel hydrogen bonds are formed between the peptide bonds All of these the polypeptide chain is fully extended adjacent polypeptide chains can either be parallel or antiparallel hydrogen bonds are formed between the peptide bonds All of these ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The oxygen binding curves of hemoglobin and myoglobin are identical both (a) and (b) allow maximum transfer of oxygen to the tissues are a consequence of the quaternary structure of hemoglobin are identical both (a) and (b) allow maximum transfer of oxygen to the tissues are a consequence of the quaternary structure of hemoglobin ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The heme is held in place by a bond between the Fe2+ and cysteine the Fe3+ and cysteine the Fe3+ and histidine the Fe2+ and histidine the Fe2+ and cysteine the Fe3+ and cysteine the Fe3+ and histidine the Fe2+ and histidine ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Disulfide bonds most often stabilize the native structure of extracellular proteins intracellular proteins hydrophobic proteins dimeric proteins extracellular proteins intracellular proteins hydrophobic proteins dimeric proteins 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? Complete quaternary structure Complete tertiary structure Complete secondary structure Thermodynamic stability Complete quaternary structure Complete tertiary structure Complete secondary structure Thermodynamic stability ANSWER DOWNLOAD EXAMIANS APP
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