Answer :
They both are constituents of DNA.
Adenine, cytosine, guanine and thymine are the glue that holds together the two sugar-phosphate strands which form the back-bone of DNA. The order in which these bases occur is what stores the information in DNA.
Adenine, cytosine, guanine and thymine are the glue that holds together the two sugar-phosphate strands which form the back-bone of DNA. The order in which these bases occur is what stores the information in DNA.