Structure and Properties of Peptides Secondary structure in protein refers to three dimensional arrangement of all amino acids in polypeptide chain regular folding of regions of the polypeptide chain protein made up of more than one polypeptide chain linear sequence of amino acids joined together by peptide bond three dimensional arrangement of all amino acids in polypeptide chain regular folding of regions of the polypeptide chain protein made up of more than one polypeptide chain linear sequence of amino acids joined together by peptide bond ANSWER DOWNLOAD EXAMIANS APP
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 Decrease in oxygen affinity Increase in oxygen affinity Increase affinity in muscle cell otherwise decrease No effect on oxygen affinity Decrease in oxygen affinity Increase in oxygen affinity ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In the β-pleated sheet adjacent polypeptide chains can either be parallel or antiparallel the polypeptide chain is fully extended hydrogen bonds are formed between the peptide bonds All of these adjacent polypeptide chains can either be parallel or antiparallel the polypeptide chain is fully extended hydrogen bonds are formed between the peptide bonds All of these ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Heme is the binding pocket of myoglobin and hemoglobin and is composed of negatively charged residues polar residues hydrophobic residues positively charged residues negatively charged residues polar residues hydrophobic residues positively charged residues ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Hydrogen bonds in a-helices are not present at Phe residues more numerous than Vander Waals interactions analogous to the steps in a spiral staircase roughly parallel to the helix axis not present at Phe residues more numerous than Vander Waals interactions analogous to the steps in a spiral staircase roughly parallel to the helix axis ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides When pO2 = Kd of myoglobin, the fractional saturation (YO2) is about 0.1 0.9 1.7 0.5 0.1 0.9 1.7 0.5 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS