Structure and Properties of Peptides If the F and Y angles of each peptide unit in a protein are known, which of the following may also be determined? Complete tertiary structure Thermodynamic stability Complete secondary structure Complete quaternary structure Complete tertiary structure Thermodynamic stability Complete secondary structure Complete quaternary structure ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Peptides in the fully extended chain conformation do not occur in nature have Y = F = 180° also have a cis geometry in their peptide bonds are equivalent to the (3-sheet structure do not occur in nature have Y = F = 180° also have a cis geometry in their peptide bonds are equivalent to the (3-sheet structure 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 What is the proportion of glycine residues in collagenous regions? One-tenth Half One-third One-fourth One-tenth Half One-third One-fourth ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides An oil drop with a polar coat is a metaphor referring to the three dimensional structure of collagen silk protein globular proteins fibrous proteins collagen silk protein globular proteins fibrous proteins ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In β-pleated sheet structures neighbouring neighboring residues are hydrogen bonded neighboring chains are connected by a-helices chains lie in a flat plane neighboring chains are hydrogen bonded neighboring residues are hydrogen bonded neighboring chains are connected by a-helices chains lie in a flat plane neighboring chains are hydrogen bonded ANSWER DOWNLOAD EXAMIANS APP