Structure and Properties of Peptides Which of the following is an example of tertiary structure in a protein? A P-pleated sheet A multimeric protein A globular domain An a-helix A P-pleated sheet A multimeric protein A globular domain An a-helix ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The heme is held in place by a bond between the Fe3+ and histidine the Fe3+ and cysteine the Fe2+ and histidine the Fe2+ and cysteine the Fe3+ and histidine the Fe3+ and cysteine the Fe2+ and histidine the Fe2+ and cysteine ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides Peptides in the fully extended chain conformation also have a cis geometry in their peptide bonds have Y = F = 180° are equivalent to the (3-sheet structure do not occur in nature also have a cis geometry in their peptide bonds have Y = F = 180° are equivalent to the (3-sheet structure do not occur in nature ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides The Ramachandran Plot illustrates the fact that the F & Y angles can assume approximately three different values the F & Y angles can assume any value in a peptide the F & Y angles can assume only a single value in a protein the peptide bond is planar the F & Y angles can assume approximately three different values the F & Y angles can assume any value in a peptide the F & Y angles can assume only a single value in a protein the peptide bond is planar ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides An oil drop with a polar coat is a metaphor referring to the three dimensional structure of silk protein globular proteins fibrous proteins collagen silk protein globular proteins fibrous proteins collagen ANSWER DOWNLOAD EXAMIANS APP
Structure and Properties of Peptides What is the effect of a decrease in pH on hemoglobin oxygen affinity? No effect on oxygen affinity Decrease in oxygen affinity Increase affinity in muscle cell otherwise decrease Increase in oxygen affinity No effect on oxygen affinity Decrease in oxygen affinity Increase affinity in muscle cell otherwise decrease Increase in oxygen affinity ANSWER DOWNLOAD EXAMIANS APP
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