Structure and Properties of Peptides In deoxy hemoglobin (Hb), the Fe (II) is coordinated to 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 His residues in Hb two nitrogens of heme and to three water molecules 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 His residues in Hb two nitrogens of heme and to three water molecules ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides In the β-pleated sheet 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 the polypeptide chain is fully extended adjacent polypeptide chains can either be parallel or antiparallel All of these ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The Ramachandran Plot illustrates the fact that the F & Y angles can assume any value in a peptide the peptide bond is planar the F & Y angles can assume only a single value in a protein the F & Y angles can assume approximately three different values the F & Y angles can assume any value in a peptide the peptide bond is planar the F & Y angles can assume only a single value in a protein the F & Y angles can assume approximately three different values 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 is stronger than an ordinary single bond is still not completely understood both (a) and (b) has partial double bond character is stronger than an ordinary single bond is still not completely understood both (a) and (b) has partial double bond character ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The major element of secondary structure in myoglobin and hemoglobin is the a-helix the P-strand All of these the reverse turn the a-helix the P-strand All of these the reverse turn ANSWER DOWNLOAD EXAMIANS APP