Which of the Following Statements About Nucleotide Synthesis Is (Are)true

Multiple Choice

Which of the following statements about nucleotide synthesis is (are) true?
(I) Most dietary nucleotides are salvaged and used in DNA synthesis.
(II) Most nucleotides in cells are from de novo pathways.
(III) Most nucleotides in cells are salvaged and used in RNA synthesis.

A) I,II
B) I only
C) II only
D) II,IV
E) III only