Structure and Properties of Peptides What is the proportion of glycine residues in collagenous regions? Half One-fourth One-tenth One-third Half One-fourth One-tenth One-third 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 When pO2 = Kd of myoglobin, the fractional saturation (YO2) is about 1.7 0.5 0.9 0.1 1.7 0.5 0.9 0.1 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In β-pleated sheet structures neighbouring 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 neighboring chains are hydrogen bonded neighboring chains are connected by a-helices 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 Hemoglobin has quaternary structure and is made up of six polypeptide chains, two α-chains and four β-chains two polypeptide chains, one α-chains and one β-chains four polypeptide chains, two α-chains and two β-chains five polypeptide chains, two α-chains and three β-chains six polypeptide chains, two α-chains and four β-chains two polypeptide chains, one α-chains and one β-chains four polypeptide chains, two α-chains and two β-chains five polypeptide chains, two α-chains and three β-chains ANSWER DOWNLOAD EXAMIANS APP
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