Nucleotide (Noun)
Meaning
A phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA).
Classification
Nouns denoting substances.
Examples
- Each nucleotide in DNA is composed of a nitrogenous base, a sugar molecule, and a phosphate group.
- A nucleotide is the building block of nucleic acids, which are essential for all living organisms.
- The sequence of nucleotides in a DNA molecule determines the genetic code of the organism.
- During transcription, nucleotides are linked together to form a complementary RNA molecule.
- The four nucleotide bases - adenine, guanine, cytosine, and thymine - are the foundation of DNA's double helix structure.