Structure and Properties of Peptides In deoxy hemoglobin (Hb), the Fe (II) is coordinated to 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 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 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin 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 No effect on oxygen affinity Decrease in oxygen affinity 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 has partial double bond character is still not completely understood both (a) and (b) is stronger than an ordinary single bond has partial double bond character is still not completely understood ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Hemoglobin has quaternary structure and is made up of 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 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 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The major element of secondary structure in myoglobin and hemoglobin is All of these the reverse turn the a-helix the P-strand All of these the reverse turn the a-helix the P-strand ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The same peptide, Val-Lys-Glu-Met-Ser-Trp-Arg-Ala. was digested with chymotrypsin to produce Val-Lys-Glu-Met + Ser-Trp-Arg-Ala. Val-Lys + Glu-Met-Ser + Trp-Arg-Ala. Val-Lys-Glu-Met-Ser-Trp + Arg-Ala. Val-Lys-Glu-Met-Ser + Trp-Arg-Ala. Val-Lys-Glu-Met + Ser-Trp-Arg-Ala. Val-Lys + Glu-Met-Ser + Trp-Arg-Ala. Val-Lys-Glu-Met-Ser-Trp + Arg-Ala. Val-Lys-Glu-Met-Ser + Trp-Arg-Ala. ANSWER DOWNLOAD EXAMIANS APP