試題詳解

28. Please choose the    correct    answer from the following descriptions:

(1) For naming the RS system, -CH₂OH group has higher priority than -CHO group. 

(2) Cyanogen bromide could be used to cleave the "X-C" peptide bond.

(3) The role of glycogen is energy storage in bacteria and animal cells.

(4) The structure of lactose is 

(5) Within 20 common amino acids, Thr and Leu are the only two amino acids with two chiral centers.
(A) 2 and 4 are     incorrect    .
(B) 3 and 4 are correct.
(C) 1, 3, and 5 are correct.
(D) 3 and 5 are correct.
(E) 1, 2, and 4 are     incorrect    .