
Nucleotide - Wikipedia
Nucleotides are organic molecules composed of a nitrogenous base, a pentose sugar and a phosphate. They serve as monomeric units of the nucleic acid polymers – deoxyribonucleic …
Nucleotide | Description, Types, Function, & Facts | Britannica
Dec 11, 2025 · A nucleotide is any member of a class of organic compounds in which the molecular structure comprises a nitrogen-containing unit (base) linked to a sugar and a …
Nucleotide Definition, Structure, and Function
Aug 31, 2023 · What Is a Nucleotide? A nucleotide is an organic molecule that serves as the building block for nucleic acids like DNA (deoxyribonucleic acid) and RNA (ribonucleic acid). …
Nucleotide - National Human Genome Research Institute
2 days ago · A nucleotide is the basic building block of nucleic acids (RNA and DNA). A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached …
Nucleotide Structure and Function in Genetics - Biology Insights
Apr 29, 2025 · DNA nucleotides are the fundamental units of deoxyribonucleic acid, a molecule that stores and transmits genetic information across generations. These nucleotides are …
Nucleotide: Structure, Types, and Biological Functions
Apr 28, 2024 · A nucleotide is a pentose sugar linked to a nitrogenous base and a phosphate molecule. Nucleotides are the building blocks of DNA. Figure: Nucleotide. The nitrogenous …
What is DNA? Definition, Function & Structure - Cleveland Clinic
Jul 7, 2025 · What is DNA? DNA is the set of instructions that make you, you. These instructions tell your body how to create organs and tissues, how to function and what you look like. You …
28.1: Nucleotides and Nucleic Acids - Chemistry LibreTexts
Each nucleotide is composed of a nucleoside bonded to a phosphate group, and each nucleoside is composed of an aldopentose sugar linked through its anomeric carbon to the nitrogen atom …
NUCLEOTIDE Definition & Meaning - Merriam-Webster
The meaning of NUCLEOTIDE is any of several compounds that consist of a ribose or deoxyribose sugar joined to a purine or pyrimidine base and to a phosphate group and that …
Nucleotides in DNA - Science Primer
Some of the most fundamental properties of DNA emerge from the features of its four basic building blocks, called nucleotides. Knowing the composition of nucleotides and the …