Structure and Properties of Peptides In deoxy hemoglobin (Hb), the Fe (II) is coordinated to four nitrogens of heme, the proximal His, and a water molecule two nitrogens of heme and to three water molecules four nitrogens of heme and to a water molecule two nitrogens of heme and to three His residues in Hb four nitrogens of heme, the proximal His, and a water molecule two nitrogens of heme and to three water molecules four nitrogens of heme and to a water molecule two nitrogens of heme and to three His residues in Hb ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The oxygen binding curves of hemoglobin and myoglobin are identical are a consequence of the quaternary structure of hemoglobin both (a) and (b) allow maximum transfer of oxygen to the tissues are identical are a consequence of the quaternary structure of hemoglobin both (a) and (b) allow maximum transfer of oxygen to the tissues 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 peptide bond in proteins is 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 only found between proline residues usually trans unless proline is the next amino acid is planar because of steric hinderance ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin oxygen affinity? Decrease in oxygen affinity Increase in oxygen affinity Increase affinity in muscle cell otherwise decrease No effect on oxygen affinity Decrease in oxygen affinity Increase in oxygen affinity Increase affinity in muscle cell otherwise decrease No effect on oxygen affinity ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Hemoglobin has quaternary structure and is made up of 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 two polypeptide chains, one α-chains and one β-chains six polypeptide chains, two α-chains and four β-chains ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS