Structure and Properties of Peptides The heme is held in place by a bond between the Fe3+ and cysteine the Fe2+ and cysteine the Fe2+ and histidine the Fe3+ and histidine the Fe3+ and cysteine the Fe2+ and cysteine the Fe2+ and histidine the Fe3+ and histidine 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 phospho-diester bonds peptide bonds hydrogen bonds disulfide bridges phospho-diester bonds peptide bonds ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Which of the following is an example of tertiary structure in a protein? A multimeric protein An a-helix A P-pleated sheet A globular domain A multimeric protein An a-helix A P-pleated sheet A globular domain ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The Ramachandran Plot illustrates the fact that the peptide bond is planar the F & Y angles can assume approximately three different values the F & Y angles can assume only a single value in a protein the F & Y angles can assume any value in a peptide the peptide bond is planar the F & Y angles can assume approximately three different values the F & Y angles can assume only a single value in a protein the F & Y angles can assume any value in a peptide ANSWER DOWNLOAD EXAMIANS APP
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 two nitrogens of heme and to three water molecules 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 His residues in Hb two nitrogens of heme and to three water molecules four nitrogens of heme, the proximal His, and a water molecule ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides When pO2 = Kd of myoglobin, the fractional saturation (YO2) is about 0.9 0.5 1.7 0.1 0.9 0.5 1.7 0.1 ANSWER DOWNLOAD EXAMIANS APP