Structure and Properties of Peptides The peptide bond in proteins is only found between proline residues usually trans unless proline is the next amino acid is planar because of steric hinderance usually cis unless proline is the next amino acid only found between proline residues usually trans unless proline is the next amino acid is planar because of steric hinderance usually cis unless proline is the next amino acid ANSWER DOWNLOAD EXAMIANS APP
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 Hydrogen bonds in a-helices are more numerous than Vander Waals interactions analogous to the steps in a spiral staircase roughly parallel to the helix axis not present at Phe residues more numerous than Vander Waals interactions analogous to the steps in a spiral staircase roughly parallel to the helix axis not present at Phe residues ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The oxygen binding curves of hemoglobin and myoglobin allow maximum transfer of oxygen to the tissues are identical both (a) and (b) are a consequence of the quaternary structure of hemoglobin allow maximum transfer of oxygen to the tissues are identical both (a) and (b) are a consequence of the quaternary structure of hemoglobin ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In the β-pleated sheet adjacent polypeptide chains can either be parallel or antiparallel the polypeptide chain is fully extended All of these hydrogen bonds are formed between the peptide bonds adjacent polypeptide chains can either be parallel or antiparallel the polypeptide chain is fully extended All of these hydrogen bonds are formed between the peptide bonds ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Hemoglobin has quaternary structure and is made up of 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 five polypeptide chains, two α-chains and three β-chains ANSWER DOWNLOAD EXAMIANS APP