Structure and Properties of Peptides The heme is held in place by a bond between the Fe2+ and cysteine 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 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 secondary structure Thermodynamic stability Complete quaternary structure Complete tertiary structure Complete secondary structure Thermodynamic stability Complete quaternary structure Complete tertiary structure 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
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 The major element of secondary structure in myoglobin and hemoglobin is the reverse turn the P-strand All of these the a-helix the reverse turn the P-strand All of these the a-helix ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In the β-pleated sheet the polypeptide chain is fully extended All of these hydrogen bonds are formed between the peptide bonds adjacent polypeptide chains can either be parallel or antiparallel the polypeptide chain is fully extended All of these hydrogen bonds are formed between the peptide bonds adjacent polypeptide chains can either be parallel or antiparallel ANSWER DOWNLOAD EXAMIANS APP