Structure and Properties of Peptides The Ramachandran Plot illustrates the fact that the peptide bond is planar the F & Y angles can assume any value in a peptide the F & Y angles can assume only a single value in a protein the F & Y angles can assume approximately three different values the peptide bond is planar the F & Y angles can assume any value in a peptide the F & Y angles can assume only a single value in a protein the F & Y angles can assume approximately three different values ANSWER DOWNLOAD EXAMIANS APP
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 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 is the effect of a decrease in pH on hemoglobin oxygen affinity? Decrease in oxygen affinity Increase in oxygen affinity No effect on oxygen affinity Increase affinity in muscle cell otherwise decrease Decrease in oxygen affinity Increase in oxygen affinity No effect on 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 0.9 0.5 1.7 0.1 0.9 0.5 1.7 0.1 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Heme is the binding pocket of myoglobin and hemoglobin and is composed of positively charged residues polar residues hydrophobic residues negatively charged residues positively charged residues polar residues hydrophobic residues negatively charged residues ANSWER DOWNLOAD EXAMIANS APP
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