Structure and Properties of Peptides The major element of secondary structure in myoglobin and hemoglobin is the a-helix All of these the reverse turn the P-strand the a-helix All of these the reverse turn the P-strand ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin 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 Increase in oxygen affinity 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 have Y = F = 180° are equivalent to the (3-sheet structure do not occur in nature also have a cis geometry in their peptide bonds have Y = F = 180° are equivalent to the (3-sheet structure do not occur in nature ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Heme is the binding pocket of myoglobin and hemoglobin and is composed of polar residues negatively charged residues hydrophobic residues positively charged residues polar residues negatively charged residues hydrophobic residues positively charged residues ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides If the F and Y angles of each peptide unit in a protein are known, which of the following may also be determined? Complete quaternary structure Complete tertiary structure Thermodynamic stability Complete secondary structure Complete quaternary structure Complete tertiary structure Thermodynamic stability Complete secondary structure 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