Structure and Properties of Peptides The heme is held in place by a bond between the Fe2+ and histidine the Fe3+ and histidine the Fe3+ and cysteine the Fe2+ and cysteine the Fe2+ and histidine the Fe3+ and histidine the Fe3+ and cysteine the Fe2+ and cysteine 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 peptide bond is planar the F & Y angles can assume only a single value in a protein the F & Y angles can assume approximately three different values the F & Y angles can assume any value in a peptide the peptide bond is planar the F & Y angles can assume only a single value in a protein the F & Y angles can assume approximately three different values the F & Y angles can assume any value in a peptide ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What was the first protein whose complete tertiary structure was determined? Pancreatic DNase Myoglobin Lysozyme Pancreatic ribonuclease Pancreatic DNase Myoglobin Lysozyme Pancreatic ribonuclease 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 Decrease in oxygen affinity No effect on oxygen affinity Increase affinity in muscle cell otherwise decrease Increase in oxygen affinity Decrease in oxygen affinity No effect on oxygen affinity ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Hemoglobin has quaternary structure and is made up of two polypeptide chains, one α-chains and one β-chains five polypeptide chains, two α-chains and three β-chains six polypeptide chains, two α-chains and four β-chains four polypeptide chains, two α-chains and two β-chains two polypeptide chains, one α-chains and one β-chains five polypeptide chains, two α-chains and three 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