Lexic.us

Definition of Cytosine

1. Noun. A base found in DNA and RNA and derived from pyrimidine; pairs with guanine.

Definition of Cytosine

1. Noun. (biochemistry) A base, C₄H₅N₃O, which pairs with guanine in DNA and RNA. ¹

¹ Source: wiktionary.com

Definition of Cytosine

1. a component of DNA and RNA [n -S]

Medical Definition of Cytosine

1. Pyrimidine base found in DNA and RNA. Pairs with guanine. Glycosylated base is cytidine. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Cytosine

Literary usage of Cytosine

Below you will find example usage of this term as found in modern and/or classical literature:

1. Principles of Biochemistry for Students of Medicine, Agriculture and Related by Thorburn Brailsford Robertson (1920)
"Its derivatives Uracil, cytosine and Thymine have the following formulae: HN CO OC CH ... cytosine is transformed into uracil by the action of nitrous acid. ..."

2. Chemistry of Food and Nutrition by Henry Clapp Sherman (1918)
"In the case of plant nucleic acid the carbohydrate is a pentose (d.ribose) and the bases are adenine, guanine, cytosine, and uracil. ..."

3. A Text-book of Physiological Chemistry by Olof Hammarsten, Sven Gustaf Hedin (1914)
"... a hexose carbohydrate, guanine, adenine, thymine and cytosine. The thymo-nucleic acids have the reactions as given for the complex nucleic acids. ..."

4. Review of American Chemical Research by Massachusetts Institute of Technology, Arthur Amos Noyes, William Albert Noyes (1903)
"The authors obtained from the nucleic acid of wheat embryo a cytosine which they compared with their synthetic cytosine (see preceding review) and with the ..."

5. Practical physiological chemistry by Philip Bovier Hawk (1918)
"The pyrimidine derivatives, cytosine, thymine, and uracil, are separated from nucleic ... In case the solution contains only small quantities of cytosine or ..."

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