Structure and Properties of Peptides In the β-pleated sheet All of these hydrogen bonds are formed between the peptide bonds the polypeptide chain is fully extended adjacent polypeptide chains can either be parallel or antiparallel All of these hydrogen bonds are formed between the peptide bonds the polypeptide chain is fully extended adjacent polypeptide chains can either be parallel or antiparallel ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Disulfide bonds most often stabilize the native structure of intracellular proteins extracellular proteins dimeric proteins hydrophobic proteins intracellular proteins extracellular proteins dimeric proteins hydrophobic proteins ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the proportion of glycine residues in collagenous regions? One-fourth Half One-third One-tenth One-fourth Half One-third 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 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
Structure and Properties of Peptides The oxygen binding curves of hemoglobin and myoglobin both (a) and (b) are a consequence of the quaternary structure of hemoglobin are identical allow maximum transfer of oxygen to the tissues both (a) and (b) are a consequence of the quaternary structure of hemoglobin are identical allow maximum transfer of oxygen to the tissues ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin oxygen affinity? 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 Increase affinity in muscle cell otherwise decrease ANSWER DOWNLOAD EXAMIANS APP
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