Structure and Properties of Peptides In deoxy hemoglobin (Hb), the Fe (II) is coordinated to 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 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 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Heme is the binding pocket of myoglobin and hemoglobin and is composed of hydrophobic residues positively charged residues negatively charged residues polar residues hydrophobic residues positively charged residues negatively charged residues polar residues ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Which of the following is an example of tertiary structure in a protein? An a-helix A globular domain A P-pleated sheet A multimeric protein An a-helix A globular domain A P-pleated sheet A multimeric protein 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 is stronger than an ordinary single bond has partial double bond character both (a) and (b) is still not completely understood is stronger than an ordinary single bond has partial double bond character both (a) and (b) is still not completely understood ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The Ramachandran Plot illustrates the fact that the F & Y angles can assume any value in a peptide the F & Y angles can assume only a single value in a protein the peptide bond is planar the F & Y angles can assume approximately three different values the F & Y angles can assume any value in a peptide the F & Y angles can assume only a single value in a protein the peptide bond is planar the F & Y angles can assume approximately three different values ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides When pO2 = Kd of myoglobin, the fractional saturation (YO2) is about 1.7 0.5 0.1 0.9 1.7 0.5 0.1 0.9 ANSWER DOWNLOAD EXAMIANS APP