Structure and Properties of Peptides The heme is held in place by a bond between the Fe2+ and histidine the Fe3+ and histidine the Fe3+ and cysteine the Fe2+ and cysteine the Fe2+ and histidine the Fe3+ and histidine the Fe3+ and cysteine the Fe2+ and cysteine ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The peptide bond in proteins is is planar because of steric hinderance usually cis unless proline is the next amino acid usually trans unless proline is the next amino acid only found between proline residues is planar because of steric hinderance usually cis unless proline is the next amino acid usually trans unless proline is the next amino acid only found between proline residues ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides If the F and Y angles of each peptide unit in a protein are known, which of the following may also be determined? Complete quaternary structure Complete tertiary structure Thermodynamic stability Complete secondary structure Complete quaternary structure Complete tertiary structure Thermodynamic stability Complete secondary structure ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Which hemoglobin chain replaces the beta chain in embryonic hemoglobulin? Gamma Alfa Epsilon Delta Gamma Alfa Epsilon Delta 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) has partial double bond character is stronger than an ordinary single bond is still not completely understood both (a) and (b) has partial double bond character is stronger than an ordinary single bond is still not completely understood 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
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