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 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 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Disulfide bonds most often stabilize the native structure of hydrophobic proteins dimeric proteins extracellular proteins intracellular proteins hydrophobic proteins dimeric proteins extracellular proteins intracellular proteins 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 The oxygen in hemoglobin and myoglobin is bound to histidine residues in the protein lysine residues in the protein the iron atom in the heme group the nitrogen atoms on the heme histidine residues in the protein lysine residues in the protein the iron atom in the heme group the nitrogen atoms on the heme ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Peptides in the fully extended chain conformation have Y = F = 180° also have a cis geometry in their peptide bonds do not occur in nature are equivalent to the (3-sheet structure have Y = F = 180° also have a cis geometry in their peptide bonds do not occur in nature are equivalent to the (3-sheet structure ANSWER DOWNLOAD EXAMIANS APP
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