Structure and Properties of Peptides Hemoglobin has quaternary structure and is made up of two polypeptide chains, one α-chains and one β-chains four polypeptide chains, two α-chains and two β-chains six polypeptide chains, two α-chains and four β-chains five polypeptide chains, two α-chains and three β-chains two polypeptide chains, one α-chains and one β-chains four polypeptide chains, two α-chains and two β-chains six polypeptide chains, two α-chains and four β-chains five polypeptide chains, two α-chains and three β-chains ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The resonance structures that can be drawn for the peptide bond indicate that the peptide bond both (a) and (b) is stronger than an ordinary single bond is still not completely understood has partial double bond character both (a) and (b) is stronger than an ordinary single bond is still not completely understood has partial double bond character ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Which of the following is an example of tertiary structure in a protein? A globular domain A P-pleated sheet An a-helix A multimeric protein A globular domain A P-pleated sheet An a-helix A multimeric protein ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In β-pleated sheet structures neighbouring neighboring chains are connected by a-helices neighboring chains are hydrogen bonded neighboring residues are hydrogen bonded chains lie in a flat plane neighboring chains are connected by a-helices neighboring chains are hydrogen bonded neighboring residues are hydrogen bonded chains lie in a flat plane ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin oxygen affinity? 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 No effect on oxygen affinity Increase affinity in muscle cell otherwise decrease ANSWER DOWNLOAD EXAMIANS APP
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 two nitrogens of heme and to three water molecules four nitrogens of heme and to a water molecule two nitrogens of heme and to three His residues in Hb four nitrogens of heme, the proximal His, and a water molecule two nitrogens of heme and to three water molecules four nitrogens of heme and to a water molecule ANSWER DOWNLOAD EXAMIANS APP
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