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 same peptide, Val-Lys-Glu-Met-Ser-Trp-Arg-Ala. was digested with chymotrypsin 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 The Ramachandran Plot illustrates the fact that 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 the F & Y angles can assume any value in a peptide the peptide bond is planar ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the proportion of glycine residues in collagenous regions? One-fourth One-tenth Half One-third One-fourth One-tenth Half One-third 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 quaternary structure Thermodynamic stability Complete secondary structure Complete tertiary structure Complete quaternary structure Thermodynamic stability Complete secondary structure Complete tertiary structure ANSWER DOWNLOAD EXAMIANS APP
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
EXAMIANS