Nucleotide — Science definition
The building block of DNA, made of a sugar, a phosphate group, and one of four nitrogen bases (A, T, C, or G).
Where it is taught
- DNA Structure & Replication — DNA, Inheritance & Gene Expression, Life Science: Biology, Grade 10
In use
DNA is built from small repeating units called nucleotides, each one a set of three parts: a sugar, a phosphate group, and one of just four nitrogen bases, abbreviated A, T, C, and G.
DNA Structure & Replication
Taught alongside
- double helix
- complementary base pairing
- semiconservative replication
- DNA polymerase
- antiparallel
- semiconservative