Chapter 29: Q12. (page 1163)
Draw the organic products formed in the following reaction.
Chapter 29: Q12. (page 1163)
Draw the organic products formed in the following reaction.
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Get started for freeQuestion: Identify the nucleophile and the electrophile in the following acidโbase reactions:
Which of the following amino acids are typically found in the interior of a globular protein, and which are typically found on the surface: (a)phenylalanine; (b)aspartic acid; (c) lysine; (d) isoleucine; (e) arginine; (f) glutamic acid?
The fibroin proteins found in silk fibers consist of large regions of ฮฒ-pleated sheets stacked one on top of another. (a) Explain why having a glycine at every other residue allows the ฮฒ-pleated sheets to stack on top of each other. (b) Why are silk fibers insoluble in water?
Deduce the sequence of a heptapeptide that contains the amino acids Ala, Arg, Glu, Gly, Leu, Phe, and Ser, from the following experimental data. Edman degradation cleaves Leu from the heptapeptide, and carboxypeptidase forms Glu and a hexapeptide. Treatment of the heptapeptide with chymotrypsin forms a hexapeptide and a single amino acid. Treatment of the heptapeptide with trypsin forms a pentapeptide and a dipeptide. Partial hydrolysis forms Glu, Leu, Phe, and the tripeptidesGlyโAlaโSer and AlaโSerโArg
Devise a synthesis of threonine from diethyl acetamidomalonate.
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