Structure and Properties of Peptides Hemoglobin has quaternary structure and is made up of 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 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 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 What is the effect of a decrease in pH on hemoglobin 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 Increase affinity in muscle cell otherwise decrease No effect on oxygen affinity Increase in oxygen affinity ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the proportion of glycine residues in collagenous regions? One-third Half One-fourth One-tenth One-third Half One-fourth One-tenth ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Heme is the binding pocket of myoglobin and hemoglobin and is composed of positively charged residues hydrophobic residues polar residues negatively charged residues positively charged residues hydrophobic residues polar residues negatively charged residues ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The Ramachandran Plot illustrates the fact that the F & Y angles can assume any value in a peptide the F & Y angles can assume approximately three different values the peptide bond is planar 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 F & Y angles can assume approximately three different values the peptide bond is planar the F & Y angles can assume only a single value in a protein ANSWER DOWNLOAD EXAMIANS APP
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