Structure and Properties of Peptides Heme is the binding pocket of myoglobin and hemoglobin and is composed of negatively charged residues polar residues positively charged residues hydrophobic residues negatively charged residues polar residues positively charged residues hydrophobic residues ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides When pO2 = Kd of myoglobin, the fractional saturation (YO2) is about 0.5 1.7 0.1 0.9 0.5 1.7 0.1 0.9 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The Ramachandran Plot illustrates the fact that the peptide bond is planar the F & Y angles can assume approximately three different values 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 peptide bond is planar the F & Y angles can assume approximately three different values the F & Y angles can assume any value in a peptide the F & Y angles can assume only a single value in a protein 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 In the β-pleated sheet All of these the polypeptide chain is fully extended hydrogen bonds are formed between the peptide bonds adjacent polypeptide chains can either be parallel or antiparallel All of these the polypeptide chain is fully extended hydrogen bonds are formed between the peptide bonds adjacent polypeptide chains can either be parallel or antiparallel ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Which of the three subunits of the G proteins binds GDP and GTP? Delta Alpha Gamma Beta Delta Alpha Gamma Beta ANSWER DOWNLOAD EXAMIANS APP