Structure and Properties of Peptides The major element of secondary structure in myoglobin and hemoglobin is the a-helix All of these the P-strand the reverse turn the a-helix All of these the P-strand the reverse turn ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Hydrogen bonds in a-helices are analogous to the steps in a spiral staircase roughly parallel to the helix axis more numerous than Vander Waals interactions not present at Phe residues analogous to the steps in a spiral staircase roughly parallel to the helix axis more numerous than Vander Waals interactions not present at Phe residues ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The nature of peptide bond can be best explained as truly double bond partial double bond Hydrogen bond Van der waals force truly double bond partial double bond Hydrogen bond Van der waals force ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The peptide bond in proteins is usually cis unless proline is the next amino acid only found between proline residues is planar because of steric hinderance usually trans unless proline is the next amino acid usually cis unless proline is the next amino acid only found between proline residues is planar because of steric hinderance usually trans unless proline is the next amino acid ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin oxygen affinity? Increase in oxygen affinity No effect on oxygen affinity Decrease in oxygen affinity Increase affinity in muscle cell otherwise decrease Increase in oxygen affinity No effect on oxygen affinity Decrease in oxygen affinity Increase affinity in muscle cell otherwise decrease 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 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 both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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