Structure and Properties of Peptides Heme is the binding pocket of myoglobin and hemoglobin and is composed of polar residues negatively charged residues positively charged residues hydrophobic residues polar residues negatively charged residues positively charged residues hydrophobic residues ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The major element of secondary structure in myoglobin and hemoglobin is the P-strand the reverse turn All of these the a-helix the P-strand the reverse turn All of these the a-helix 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 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 Increase affinity in muscle cell otherwise decrease ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Which of the three subunits of the G proteins binds GDP and GTP? Gamma Alpha Delta Beta Gamma Alpha Delta Beta ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides When pO2 = Kd of myoglobin, the fractional saturation (YO2) is about 0.5 0.9 1.7 0.1 0.5 0.9 1.7 0.1 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Peptides in the fully extended chain conformation also have a cis geometry in their peptide bonds do not occur in nature are equivalent to the (3-sheet structure have Y = F = 180° also have a cis geometry in their peptide bonds do not occur in nature are equivalent to the (3-sheet structure have Y = F = 180° ANSWER DOWNLOAD EXAMIANS APP