Structure and Properties of Peptides Hydrogen bonds in a-helices are roughly parallel to the helix axis analogous to the steps in a spiral staircase more numerous than Vander Waals interactions not present at Phe residues roughly parallel to the helix axis analogous to the steps in a spiral staircase more numerous than Vander Waals interactions not present at Phe residues ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The same peptide, Val-Lys-Glu-Met-Ser-Trp-Arg-Ala. was digested with chymotrypsin to produce Val-Lys-Glu-Met-Ser-Trp + Arg-Ala. Val-Lys + Glu-Met-Ser + Trp-Arg-Ala. Val-Lys-Glu-Met + Ser-Trp-Arg-Ala. Val-Lys-Glu-Met-Ser + Trp-Arg-Ala. Val-Lys-Glu-Met-Ser-Trp + Arg-Ala. Val-Lys + Glu-Met-Ser + Trp-Arg-Ala. Val-Lys-Glu-Met + Ser-Trp-Arg-Ala. Val-Lys-Glu-Met-Ser + Trp-Arg-Ala. ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin 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 Decrease in oxygen affinity ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In β-pleated sheet structures neighbouring neighboring chains are hydrogen bonded neighboring chains are connected by a-helices chains lie in a flat plane neighboring residues are hydrogen bonded neighboring chains are hydrogen bonded neighboring chains are connected by a-helices chains lie in a flat plane neighboring residues are hydrogen bonded ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The oxygen binding curves of hemoglobin and myoglobin both (a) and (b) are identical allow maximum transfer of oxygen to the tissues are a consequence of the quaternary structure of hemoglobin both (a) and (b) are identical allow maximum transfer of oxygen to the tissues are a consequence of the quaternary structure of hemoglobin 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? C20H50O20N10 C20H32O11N10 C20H40O10N10 C20H68O29N10 C20H50O20N10 C20H32O11N10 C20H40O10N10 C20H68O29N10 ANSWER DOWNLOAD EXAMIANS APP