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 and to a water molecule four nitrogens of heme, the proximal His, and 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 and to a water molecule four nitrogens of heme, the proximal His, and a water molecule two nitrogens of heme and to three water molecules 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 hydrogen bonds disulfide bridges peptide bonds phospho-diester bonds hydrogen bonds disulfide bridges peptide bonds phospho-diester bonds ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Heme is the binding pocket of myoglobin and hemoglobin and is composed of positively charged residues polar residues negatively charged residues hydrophobic residues positively charged residues polar residues negatively charged residues hydrophobic residues ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin 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 No effect on oxygen affinity Increase in oxygen affinity Decrease in oxygen affinity ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In β-pleated sheet structures neighbouring 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 neighboring residues are hydrogen bonded neighboring chains are connected by a-helices ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Peptides in the fully extended chain conformation are equivalent to the (3-sheet structure do not occur in nature have Y = F = 180° also have a cis geometry in their peptide bonds are equivalent to the (3-sheet structure do not occur in nature have Y = F = 180° also have a cis geometry in their peptide bonds ANSWER DOWNLOAD EXAMIANS APP
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