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? C20H68O29N10 C20H40O10N10 C20H32O11N10 C20H50O20N10 C20H68O29N10 C20H40O10N10 C20H32O11N10 C20H50O20N10 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 Thermodynamic stability Complete tertiary structure Complete secondary structure Complete quaternary structure Thermodynamic stability Complete tertiary structure Complete secondary structure ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Secondary structure in protein refers to regular folding of regions of the polypeptide chain linear sequence of amino acids joined together by peptide bond three dimensional arrangement of all amino acids in polypeptide chain protein made up of more than one polypeptide chain regular folding of regions of the polypeptide chain linear sequence of amino acids joined together by peptide bond three dimensional arrangement of all amino acids in polypeptide chain protein made up of more than one polypeptide chain ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Hydrogen bonds in a-helices are 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 analogous to the steps in a spiral staircase 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 is still not completely understood is stronger than an ordinary single bond both (a) and (b) has partial double bond character is still not completely understood is stronger than an ordinary single bond both (a) and (b) has partial double bond character ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin oxygen affinity? No effect on oxygen affinity Increase in oxygen affinity Increase affinity in muscle cell otherwise decrease Decrease in oxygen affinity No effect on oxygen affinity Increase in oxygen affinity Increase affinity in muscle cell otherwise decrease Decrease in oxygen affinity ANSWER DOWNLOAD EXAMIANS APP