This tautomerism is crucial for the correct base pairing with thymine or uracil, as it allows the formation of hydrogen bonds between the complementary bases. ATP is the primary energy currency in ...

These nucleotides consist of a deoxyribose sugar, phosphate and base. The nucleotides are identical except for the base, which can be an adenine (A), thymine (T), guanine (G) or cytosine (C).