Structure and Properties of Peptides An oil drop with a polar coat is a metaphor referring to the three dimensional structure of globular proteins fibrous proteins collagen silk protein globular proteins fibrous proteins collagen silk protein 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 Decrease in 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 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The Ramachandran Plot illustrates the fact that the F & Y angles can assume any value in a peptide the F & Y angles can assume approximately three different values the F & Y angles can assume only a single value in a protein the peptide bond is planar the F & Y angles can assume any value in a peptide the F & Y angles can assume approximately three different values the F & Y angles can assume only a single value in a protein the peptide bond is planar ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the proportion of glycine residues in collagenous regions? One-third One-tenth One-fourth Half One-third One-tenth One-fourth Half ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Peptides in the fully extended chain conformation do not occur in nature are equivalent to the (3-sheet structure also have a cis geometry in their peptide bonds have Y = F = 180° do not occur in nature are equivalent to the (3-sheet structure also have a cis geometry in their peptide bonds have Y = F = 180° ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides When pO2 = Kd of myoglobin, the fractional saturation (YO2) is about 1.7 0.9 0.1 0.5 1.7 0.9 0.1 0.5 ANSWER DOWNLOAD EXAMIANS APP