Does the following statement describe a function of DNA, a function of RNA, a function of both DNA and RNA, or a function of neither DNA nor RNA?
 It takes the message for amino acid order for proteins to the cytoplasm, where the protein will be built; it serves as an enzyme to speed up many kinds of biochemical reactions in the cell.
 A. RNA
 B. neither DNA or RNA
 C. both DNA and RNA
 D. DNA