Nucleotide: Quick Facts

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Photos

Diagram of a DNA polynucleotide chain showing linked deoxyribose sugars, phosphate groups, and nitrogenous bases (adenine, guanine, cytosine, thymine), with an inset comparing ribose and uracil in RNA.

Diagram of a DNA double helix showing its twisted ladder structure, with a close-up of the sugar-phosphate backbone, paired nitrogenous bases (adenine, thymine, cytosine, guanine), and labeled nucleotides and hydrogen bonds.

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Topics

Oligonucleotide Adenosine triphosphate deoxyribonucleoside monophosphate cytidine triphosphate cytidine monophosphate adenylic acid adenosine monophosphate adenosine diphosphate nucleotide sequence uridine monophosphate Nucleoside DNA RNA base pair What Is the Difference Between DNA and RNA?

Dig Deeper: More Articles That Discuss This Topic

Nucleic acid: Nucleotides: building blocks of nucleic acids

Key People

Tomas Lindahl, 2015

Tomas Lindahl

Swedish biochemist

Aziz Sancar

Aziz Sancar

Turkish-American biochemist

Baron Alexander Robertus Todd.

Alexander Robertus Todd, Baron Todd

British biochemist