Structure and Properties of Peptides What is the proportion of glycine residues in collagenous regions? One-tenth One-third One-fourth Half One-tenth One-third One-fourth Half ANSWER DOWNLOAD EXAMIANS APP
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 Complete quaternary structure Thermodynamic stability Complete secondary structure Complete tertiary structure Complete quaternary structure Thermodynamic stability Complete secondary structure ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In β-pleated sheet structures neighbouring neighboring chains are connected by a-helices neighboring chains are hydrogen bonded neighboring residues are hydrogen bonded chains lie in a flat plane neighboring chains are connected by a-helices neighboring chains are hydrogen bonded neighboring residues are hydrogen bonded chains lie in a flat plane ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Hydrogen bonds in a-helices are roughly parallel to the helix axis analogous to the steps in a spiral staircase not present at Phe residues more numerous than Vander Waals interactions roughly parallel to the helix axis analogous to the steps in a spiral staircase not present at Phe residues more numerous than Vander Waals interactions ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In deoxy hemoglobin (Hb), the Fe (II) is coordinated to four nitrogens of heme, the proximal His, and a water molecule two nitrogens of heme and to three water molecules two nitrogens of heme and to three His residues in Hb four nitrogens of heme and to a water molecule four nitrogens of heme, the proximal His, and a water molecule two nitrogens of heme and to three water molecules two nitrogens of heme and to three His residues in Hb four nitrogens of heme and to a water molecule ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The major element of secondary structure in myoglobin and hemoglobin is the P-strand the reverse turn the a-helix All of these the P-strand the reverse turn the a-helix All of these ANSWER DOWNLOAD EXAMIANS APP