nucleotide

(NOO-klee-oh-tide)

A building block for nucleic acids (the molecules inside cells that carry genetic information). Nucleotides are attached end-to-end to form the nucleic acids DNA and RNA.

A molecule consisting of a nitrogen-containing base (adenine, guanine, thymine, or cytosine in DNA; adenine, guanine, uracil, or cytosine in RNA), a phosphate group, and a sugar (deoxyribose in DNA; ribose in RNA). DNA and RNA are polymers comprised of many nucleotides, strung together like beads in a necklace.

Pronunciation of dictionary term "nucleotide"

Pronunciation of dictionary term "nucleótido"

Elemento fundamental de los ácidos nucleicos (las moléculas del interior de las células que transmiten información genética). Los nucleótidos están unidos por sus extremos para formar los ácidos nucleicos ADN y ARN.

NucleotideNucleótido