The nitrogenous bases can be in any order as long as they are attached to their complementary base. (Adenine pairs with Thymine and Guanine pairs with Cytosine) The order of the bases in the DNA...
The pair of nitrogenous bases that connects the complementary strands of DNA or of double-stranded RNA and consists of a purine linked by hydrogen bonds to a pyrimidine: adenine-thymine and...