Structure and Properties of Peptides What is the proportion of glycine residues in collagenous regions? Half One-tenth One-third One-fourth Half One-tenth One-third One-fourth ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin oxygen affinity? 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 Increase affinity in muscle cell otherwise decrease ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The resonance structures that can be drawn for the peptide bond indicate that the peptide bond both (a) and (b) is stronger than an ordinary single bond has partial double bond character is still not completely understood both (a) and (b) is stronger than an ordinary single bond has partial double bond character is still not completely understood ANSWER DOWNLOAD EXAMIANS APP
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 six polypeptide chains, two α-chains and four β-chains five polypeptide chains, two α-chains and three β-chains four polypeptide chains, two α-chains and two β-chains two polypeptide chains, one α-chains and one β-chains six polypeptide chains, two α-chains and four β-chains five polypeptide chains, two α-chains and three β-chains ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The peptide, Val-Lys-Glu-Met-Ser-Trp-Arg-Ala, was digested with cyanogen bromide (CNBr) 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 In the β-pleated sheet All of these the polypeptide chain is fully extended hydrogen bonds are formed between the peptide bonds adjacent polypeptide chains can either be parallel or antiparallel All of these the polypeptide chain is fully extended hydrogen bonds are formed between the peptide bonds adjacent polypeptide chains can either be parallel or antiparallel ANSWER DOWNLOAD EXAMIANS APP