Structure and Properties of Peptides In the β-pleated sheet All of these hydrogen bonds are formed between the peptide bonds adjacent polypeptide chains can either be parallel or antiparallel the polypeptide chain is fully extended All of these hydrogen bonds are formed between the peptide bonds adjacent polypeptide chains can either be parallel or antiparallel the polypeptide chain is fully extended ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Hydrogen bonds in a-helices are more numerous than Vander Waals interactions not present at Phe residues roughly parallel to the helix axis analogous to the steps in a spiral staircase more numerous than Vander Waals interactions not present at Phe residues roughly parallel to the helix axis analogous to the steps in a spiral staircase 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 Increase in 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 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Secondary structure in protein refers to regular folding of regions of the polypeptide chain linear sequence of amino acids joined together by peptide bond three dimensional arrangement of all amino acids in polypeptide chain protein made up of more than one polypeptide chain regular folding of regions of the polypeptide chain linear sequence of amino acids joined together by peptide bond three dimensional arrangement of all amino acids in polypeptide chain protein made up of more than one polypeptide chain ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides When pO2 = Kd of myoglobin, the fractional saturation (YO2) is about 0.1 1.7 0.9 0.5 0.1 1.7 0.9 0.5 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The same peptide, Val-Lys-Glu-Met-Ser-Trp-Arg-Ala. was digested with chymotrypsin to produce Val-Lys-Glu-Met + Ser-Trp-Arg-Ala. Val-Lys-Glu-Met-Ser-Trp + Arg-Ala. Val-Lys + Glu-Met-Ser + Trp-Arg-Ala. Val-Lys-Glu-Met-Ser + Trp-Arg-Ala. Val-Lys-Glu-Met + Ser-Trp-Arg-Ala. Val-Lys-Glu-Met-Ser-Trp + Arg-Ala. Val-Lys + Glu-Met-Ser + Trp-Arg-Ala. Val-Lys-Glu-Met-Ser + Trp-Arg-Ala. ANSWER DOWNLOAD EXAMIANS APP
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