15. Which of the following is NOT a physiological role of nucleotides?
(A) Components of many proteins
(B) Components of the coenzymes NAD, FAD, and CoA
(C) Intracellular signaling molecules
(D) Intermediates for biosynthetic processes

(E) Allosteric regulators

1. 題目解析這題目主要考察核苷酸（n...