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