Structure and Properties of Peptides In β-pleated sheet structures neighbouring chains lie in a flat plane neighboring residues are hydrogen bonded neighboring chains are hydrogen bonded neighboring chains are connected by a-helices chains lie in a flat plane neighboring residues are hydrogen bonded neighboring chains are hydrogen bonded neighboring chains are connected by a-helices ANSWER DOWNLOAD EXAMIANS APP
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 His residues in Hb four nitrogens of heme and to a water molecule two nitrogens of heme and to three water molecules four nitrogens of heme, the proximal His, and a water molecule two nitrogens of heme and to three His residues in Hb 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 What is the effect of a decrease in pH on hemoglobin oxygen affinity? No effect on oxygen affinity Increase affinity in muscle cell otherwise decrease Decrease in oxygen affinity Increase in oxygen affinity No effect on oxygen affinity Increase affinity in muscle cell otherwise decrease Decrease in oxygen affinity Increase in oxygen affinity ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The oxygen in hemoglobin and myoglobin is bound to the nitrogen atoms on the heme histidine residues in the protein the iron atom in the heme group lysine residues in the protein the nitrogen atoms on the heme histidine residues in the protein the iron atom in the heme group lysine residues in the protein ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Peptides in the fully extended chain conformation do not occur in nature also have a cis geometry in their peptide bonds have Y = F = 180° are equivalent to the (3-sheet structure do not occur in nature also have a cis geometry in their peptide bonds have Y = F = 180° are equivalent to the (3-sheet structure ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Which of the three subunits of the G proteins binds GDP and GTP? Alpha Delta Beta Gamma Alpha Delta Beta Gamma ANSWER DOWNLOAD EXAMIANS APP