Structure and Properties of Peptides The heme is held in place by a bond between the Fe2+ and histidine the Fe3+ and histidine the Fe3+ and cysteine the Fe2+ and cysteine the Fe2+ and histidine the Fe3+ and histidine the Fe3+ and cysteine the Fe2+ and cysteine 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 water molecules two nitrogens of heme and to three His residues in Hb four nitrogens of heme, the proximal His, and a water molecule four nitrogens of heme and to 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, the proximal His, and a water molecule four nitrogens of heme and to a water molecule ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The peptide, Val-Lys-Glu-Met-Ser-Trp-Arg-Ala, was digested with cyanogen bromide (CNBr) 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
Structure and Properties of Peptides If the F and Y angles of each peptide unit in a protein are known, which of the following may also be determined? Complete quaternary structure Complete secondary structure Thermodynamic stability Complete tertiary structure Complete quaternary structure Complete secondary structure Thermodynamic stability Complete tertiary structure ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In β-pleated sheet structures neighbouring neighboring residues are hydrogen bonded neighboring chains are connected by a-helices neighboring chains are hydrogen bonded chains lie in a flat plane neighboring residues are hydrogen bonded neighboring chains are connected by a-helices neighboring chains are hydrogen bonded chains lie in a flat plane 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 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 both (a) and (b) is stronger than an ordinary single bond ANSWER DOWNLOAD EXAMIANS APP
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