The complementary base pairing in DNA leads to a specific ratio of nucleobases, known as Chargaff's rule. According to this rule, the amount of adenine is equal to the amount of thymine, and the ...

Ribonucleotides are the building blocks of RNA. They contain ribose as the sugar molecule and one of four nitrogenous bases: adenine (A), guanine (G), cytosine (C), or uracil (U). Uracil replaces ...