Structure and Properties of Peptides The heme is held in place by a bond between the Fe2+ and cysteine 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 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The major element of secondary structure in myoglobin and hemoglobin is All of these the a-helix the reverse turn the P-strand All of these the a-helix the reverse turn the P-strand ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The resonance structures that can be drawn for the peptide bond indicate that the peptide bond both (a) and (b) is still not completely understood is stronger than an ordinary single bond has partial double bond character both (a) and (b) is still not completely understood is stronger than an ordinary single bond has partial double bond character 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 effect of a decrease in pH on hemoglobin 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 Increase affinity in muscle cell otherwise decrease No effect on oxygen affinity ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The molecular formula for glycine is C2H5O2N. What would be the molecular formula for a linear oligomer made by linking ten glycine molecules together by condensation synthesis? C20H32O11N10 C20H68O29N10 C20H40O10N10 C20H50O20N10 C20H32O11N10 C20H68O29N10 C20H40O10N10 C20H50O20N10 ANSWER DOWNLOAD EXAMIANS APP