Structure and Properties of Peptides In deoxy hemoglobin (Hb), the Fe (II) is coordinated to two nitrogens of heme and to three His residues in Hb four nitrogens of heme, the proximal His, and a water molecule four nitrogens of heme and to a water molecule two nitrogens of heme and to three water molecules two nitrogens of heme and to three His residues in Hb four nitrogens of heme, the proximal His, and a water molecule four nitrogens of heme and to a water molecule two nitrogens of heme and to three water molecules ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The peptide bond in proteins is is planar because of steric hinderance only found between proline residues usually trans unless proline is the next amino acid usually cis unless proline is the next amino acid is planar because of steric hinderance only found between proline residues usually trans unless proline is the next amino acid usually cis unless proline is the next amino acid ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin oxygen affinity? No effect on oxygen affinity Increase in oxygen affinity Decrease in oxygen affinity Increase affinity in muscle cell otherwise decrease No effect on oxygen affinity Increase in oxygen affinity Decrease in oxygen affinity Increase affinity in muscle cell otherwise decrease ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The molecular formula for glycine is C2H5O2N. What would be the molecular formula for a linear oligomer made by linking ten glycine molecules together by condensation synthesis? C20H68O29N10 C20H40O10N10 C20H32O11N10 C20H50O20N10 C20H68O29N10 C20H40O10N10 C20H32O11N10 C20H50O20N10 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In β-pleated sheet structures neighbouring neighboring residues are hydrogen bonded neighboring chains are connected by a-helices chains lie in a flat plane neighboring chains are hydrogen bonded neighboring residues are hydrogen bonded neighboring chains are connected by a-helices chains lie in a flat plane neighboring chains are hydrogen bonded ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides When pO2 = Kd of myoglobin, the fractional saturation (YO2) is about 1.7 0.5 0.1 0.9 1.7 0.5 0.1 0.9 ANSWER DOWNLOAD EXAMIANS APP
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