Structure and Properties of Peptides In β-pleated sheet structures neighbouring neighboring chains are connected by a-helices chains lie in a flat plane neighboring residues are hydrogen bonded neighboring chains are hydrogen bonded neighboring chains are connected by a-helices chains lie in a flat plane neighboring residues are hydrogen bonded neighboring chains are hydrogen bonded 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 The heme is held in place by a bond between the Fe2+ and cysteine the Fe2+ and histidine the Fe3+ and cysteine the Fe3+ and histidine the Fe2+ and cysteine the Fe2+ and histidine the Fe3+ and cysteine the Fe3+ and histidine ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides When pO2 = Kd of myoglobin, the fractional saturation (YO2) is about 0.9 0.1 0.5 1.7 0.9 0.1 0.5 1.7 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
Structure and Properties of Peptides The Ramachandran Plot illustrates the fact that the F & Y angles can assume approximately three different values the F & Y angles can assume only a single value in a protein the F & Y angles can assume any value in a peptide the peptide bond is planar the F & Y angles can assume approximately three different values the F & Y angles can assume only a single value in a protein the F & Y angles can assume any value in a peptide the peptide bond is planar ANSWER DOWNLOAD EXAMIANS APP
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