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en.wikipedia.org/wiki/Nucleotide

Nucleotides are organic molecules that serve as the monomer units for forming the nucleic acid polymers deoxyribonucleic acid (DNA) and ribonucleic acid ( RNA), both of which are essential biomolecules in all life-forms on Earth. Nucleotides are the building blocks of nucleic acids; they are composed of three subunit ...

knowgenetics.org/nucleotides-and-bases

Nucleotides. A nucleotide is the basic structural unit and building block for DNA. These building blocks are hooked together to form a chain of DNA. A nucleotide is composed of 3 parts: * five-sided sugar * phosphate group * nitrogenous base ( nitrogen containing). Image courtesy of the National Human Genome Research ...

www.dictionary.com/browse/nucleotide

Nucleotide definition, any of a group of molecules that, when linked together, form the building blocks of DNA or RNA: composed of a phosphate group, the bases adenine, cytosine, guanine, and thymine, and a pentose sugar, in RNA the thymine base being replaced by uracil. See more.

biologydictionary.net/nucleotide

6 days ago ... Nucleotide Definition. Nucleotides are organic molecules that are the building blocks of DNA and RNA. They also have functions related to cell signaling, metabolism, and enzyme reactions. Nucleotides are made up of three parts: a phosphate group, a 5-carbon sugar, and a nitrogenous base. The four ...

www.biology-pages.info/N/Nucleotides.html

Nucleotides. Nucleic acids are linear, unbranched polymers of nucleotides. Nucleotides consist of three parts: 1. A five-carbon sugar (hence a pentose). Two kinds are found: deoxyribose, which has a hydrogen atom attached to its #2 carbon atom (designated 2'), and; ribose, which has a hydroxyl group there.

www.biology-online.org/dictionary/Nucleotide

Oct 22, 2017 ... A nucleotide is regarded as the basic building block of nucleic acid polymers ( e.g. DNA and RNA). It is an organic compound made up of three subunits: a nitrogenous base, a five-carbon sugar, and a phosphate group. The sugar component may either be ribose or deoxyribose. The ribose sugar is the ...

homepages.rpi.edu/~bellos/nucleotides.htm

We will see that all purine nucleotides are ultimately degraded to uric acid, which is itself a purine. Studies by Buchanan in the mid 1900s established the origin of the individual atoms in uric acid, and it's helpful to mention these now, as we will soon see how they are incorporated into the molecule. Using the numbering ...

www.ncbi.nlm.nih.gov/Class/MLACourse/Original8Hour/Genetics/nucleotide.html

A nucleotide is one of the structural components, or building blocks, of DNA and RNA. A nucleotide consists of a base (one of four chemicals: adenine, thymine, guanine, and cytosine) plus a molecule of sugar and one of phosphoric acid. More: C, T, and U are called pyrimidines and each has a single nitrogen- containing ...

www.britannica.com/science/nucleotide

nucleotide: 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 phosphate group. The nucleotides...