Structure and Properties of Peptides The heme is held in place by a bond between the Fe2+ and cysteine the Fe3+ and histidine the Fe2+ and histidine the Fe3+ and cysteine the Fe2+ and cysteine the Fe3+ and histidine the Fe2+ and histidine the Fe3+ and cysteine 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) has partial double bond character is still not completely understood is stronger than an ordinary single bond both (a) and (b) has partial double bond character is still not completely understood is stronger than an ordinary single bond ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The Ramachandran Plot illustrates the fact that the peptide bond is planar the F & Y angles can assume any value in a peptide the F & Y angles can assume approximately three different values the F & Y angles can assume only a single value in a protein the peptide bond is planar the F & Y angles can assume any value in a peptide the F & Y angles can assume approximately three different values the F & Y angles can assume only a single value in a protein ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides When pO2 = Kd of myoglobin, the fractional saturation (YO2) is about 1.7 0.1 0.9 0.5 1.7 0.1 0.9 0.5 ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In the β-pleated sheet the polypeptide chain is fully extended adjacent polypeptide chains can either be parallel or antiparallel All of these hydrogen bonds are formed between the peptide bonds the polypeptide chain is fully extended adjacent polypeptide chains can either be parallel or antiparallel All of these hydrogen bonds are formed between the peptide bonds 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 Complete quaternary structure Thermodynamic stability Complete tertiary structure Complete secondary structure Complete quaternary structure Thermodynamic stability Complete tertiary structure ANSWER DOWNLOAD EXAMIANS APP