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( Nucleoside)
Nucleosides are glycosylamines made by attaching a nucleobase (often referred to simply as base) to a ribose or deoxyribose ring. Examples of these include cytidine, uridine, adenosine, guanosine, thymidine and inosine. In short, a nucleoside is a base linked to sugar. Nucleosides can be phosphorylated by specific kinases in the cell, producing nucleotides, which are the molecular building blocks of DNA and RNA. Nucleosides are produced as the second step in nucleic acid digestion, whereby nucleotidases break down nucleotides (such as the thymine nucleotide) into nucleosides (such as thymidine) and phosphate. The nucleosides, in turn, are subsequently broken down Nucleosides can be produced by combining nucleobases with deoxyribose rings as well.
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Nucleoside Subcategories
Nucleoside Articles
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