28.The organic portion of which of the following biological materials D)Membranes E) Insulin zyme Ans:D 29.What would result from the following reactions? HO* HgC-C-HHCN heat 7 H2N- -OCH 3 H2N- H2N-CH2- H一C三N Ans:e Page 8 Page 8 28. The organic portion of which of the following biological materials does not consist mainly of polypeptides and/or proteins? A) Enzymes B) Hair C) Hemoglobin D) Membranes E) Insulin Ans: D 29. What would result from the following reactions? H3C C O H HCN heat ? H3O NH + 3 A) H2N C H H C O OCH3 B) H2N C H CH3 C O OH C) CH2 C H H C O H2N OH D) H2N C H H CH2 C N E) H3C C H2N CH3 C O OH Ans: B