Structure and Properties of Peptides Which of the following is an example of tertiary structure in a protein? An a-helix A P-pleated sheet A globular domain A multimeric protein An a-helix A P-pleated sheet A globular domain A multimeric protein 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 peptide bonds phospho-diester bonds hydrogen bonds disulfide bridges peptide bonds phospho-diester bonds 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 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 The oxygen in hemoglobin and myoglobin is bound to histidine residues in the protein the iron atom in the heme group the nitrogen atoms on the heme lysine residues in the protein histidine residues in the protein the iron atom in the heme group the nitrogen atoms on the heme lysine residues in the protein ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin 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 Decrease in oxygen affinity Increase in oxygen affinity ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the proportion of glycine residues in collagenous regions? Half One-tenth One-fourth One-third Half One-tenth One-fourth One-third ANSWER DOWNLOAD EXAMIANS APP