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 No effect on oxygen affinity Increase in oxygen affinity Decrease in oxygen affinity Increase affinity in muscle cell otherwise decrease No effect on oxygen affinity Increase in oxygen affinity Decrease 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 are equivalent to the (3-sheet structure do not occur in nature have Y = F = 180° also have a cis geometry in their peptide bonds are equivalent to the (3-sheet structure do not occur in nature have Y = F = 180° ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the proportion of glycine residues in collagenous regions? Half One-tenth One-third One-fourth Half One-tenth One-third One-fourth 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
Structure and Properties of Peptides Hemoglobin has quaternary structure and is made up of five polypeptide chains, two α-chains and three β-chains two polypeptide chains, one α-chains and one β-chains six polypeptide chains, two α-chains and four β-chains four polypeptide chains, two α-chains and two β-chains five polypeptide chains, two α-chains and three β-chains two polypeptide chains, one α-chains and one β-chains six polypeptide chains, two α-chains and four β-chains four polypeptide chains, two α-chains and two β-chains ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What was the first protein whose complete tertiary structure was determined? Pancreatic ribonuclease Pancreatic DNase Myoglobin Lysozyme Pancreatic ribonuclease Pancreatic DNase Myoglobin Lysozyme ANSWER DOWNLOAD EXAMIANS APP
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