It consists of an adenine nucleotide joined to a nicotinamide nucleotide. NAD + acts as an electron carrier in redox reactions, such as the citric acid cycle and the electron transport chain, enabling ...

In DNA, adenine pairs with thymine (T) through two hydrogen bonds, while in RNA, it pairs with uracil (U). Adenine is also a component of important biomolecules such as ATP (adenosine triphosphate), ...