Structure and Properties of Peptides The major element of secondary structure in myoglobin and hemoglobin is the a-helix All of these the P-strand the reverse turn the a-helix All of these the P-strand the reverse turn ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The different orders of protein structure are determined by all of the following bond types except disulfide bridges peptide bonds phospho-diester bonds hydrogen bonds disulfide bridges peptide bonds phospho-diester bonds hydrogen bonds ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In β-pleated sheet structures neighbouring 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 chains lie in a flat plane neighboring residues are hydrogen bonded neighboring chains are hydrogen bonded 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 When pO2 = Kd of myoglobin, the fractional saturation (YO2) is about 0.1 0.9 0.5 1.7 0.1 0.9 0.5 1.7 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The oxygen in hemoglobin and myoglobin is bound to the iron atom in the heme group the nitrogen atoms on the heme lysine residues in the protein histidine residues in the protein the iron atom in the heme group the nitrogen atoms on the heme lysine residues in the protein histidine residues in the protein ANSWER DOWNLOAD EXAMIANS APP
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