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 Hydrogen bonds in a-helices are not present at Phe residues more numerous than Vander Waals interactions analogous to the steps in a spiral staircase roughly parallel to the helix axis not present at Phe residues more numerous than Vander Waals interactions analogous to the steps in a spiral staircase roughly parallel to the helix axis ANSWER DOWNLOAD EXAMIANS APP
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 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 No effect on oxygen affinity 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 lysine residues in the protein the nitrogen atoms on the heme histidine residues in the protein the iron atom in the heme group lysine residues in the protein the nitrogen atoms on the heme ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The heme is held in place by a bond between the Fe3+ and cysteine the Fe3+ and histidine the Fe2+ and histidine the Fe2+ and cysteine the Fe3+ and cysteine the Fe3+ and histidine the Fe2+ and histidine the Fe2+ and cysteine 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 An a-helix A multimeric protein A P-pleated sheet A globular domain An a-helix A multimeric protein A P-pleated sheet ANSWER DOWNLOAD EXAMIANS APP
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