Question

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6 Which of the following arrows correctly points to the anomeric carbon? 7. Of the following, what is the most likely reason that cooking with Nutrasweet (Aspartame) destroys the sweetness? HO-C-CH2-CH-C-N-CH-C-OCH NH2 CH2-CsHs Aspartame 8. A heptapeptide containing 2 alanine residues and one each of glutamine, phenylalanine, roline, tyrosine and valine was analyzed as follows: 1. Treatmen w 2,4-dinitrofluorobenzene followed by complete hydrolysis yielded 2,4-dinitrophenylalanine. 2. Partial hydrolysis with aqueous acid yielded the following fragments: ala-glu, pro-tyr, ala-val, tyr-ala, and val-phe-pro What is the structure of the peptide? 9. What would be the abbreviated name of the following polypeptide? OH H3C онс о CH2 O CH H2N-CH-C-NH-CH-C-NH-CH-C-NH-CH-C-N CH2 CH2 CH2 CH3 CH2 CO2H

Answer 1

io cyche form anom carbon that was bart the carbonyl group sv9υ, the anumtric cas bon ,s -the in the lhen the chain converts to o 1nq C-1 become a chi r al cenん anomernc CHO CHOけ CH OF ott anomenc carbon 5 0け H carbor ен, он Ho Ho 2. HOH straight chan oh Glvcose armou (A) correctly purnts to the anomec coborn Kindly ㅑost diffeonl guutiona setorately