Structure and Properties of Peptides The peptide bond in proteins is usually trans unless proline is the next amino acid is planar because of steric hinderance only found between proline residues usually cis unless proline is the next amino acid usually trans unless proline is the next amino acid is planar because of steric hinderance only found between proline residues usually cis unless proline is the next amino acid 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 was the first protein whose complete tertiary structure was determined? Pancreatic DNase Pancreatic ribonuclease Myoglobin Lysozyme Pancreatic DNase Pancreatic ribonuclease Myoglobin Lysozyme 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 When pO2 = Kd of myoglobin, the fractional saturation (YO2) is about 0.5 0.1 1.7 0.9 0.5 0.1 1.7 0.9 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 affinity in muscle cell otherwise decrease No effect on oxygen affinity Increase in oxygen affinity Decrease in oxygen affinity Increase affinity in muscle cell otherwise decrease No effect on oxygen affinity Increase in oxygen affinity ANSWER DOWNLOAD EXAMIANS APP