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adenine

The Columbia Encyclopedia, 6th ed. | 2011 | Copyright

adenine , organic base of the purine family. Adenine combines with the sugar ribose to form adenosine, which in turn can be bonded with from one to three phosphoric acid units, yielding the three nucleotides adenosine monophosphate , adenosine diphosphate, and adenosine triphosphate . These adenine derivatives perform important functions in cellular metabolism. Adenine is one of four nitrogenous bases utilized in the synthesis of nucleic acids . A modified form of adenosine monophosphate is thought to be a secondary messenger in the propagation of many hormonal stimuli. Adenine is an integral part of the structure of many coenzymes .

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"adenine." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

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adenine

A Dictionary of Food and Nutrition | 2005 | | Copyright

adenine A nucleotide, one of the purine bases of the nucleic acids (DNA and RNA). The compound formed between adenine and ribose is the nucleoside adenosine, and can form four phosphorylated derivatives important in metabolism: adenosine monophosphate (AMP, also known as adenylic acid); adenosine diphosphate (ADP); adenosine triphosphate (ATP); and cyclic adenosine monophosphate (cAMP). See also ATP; energy metabolism.

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DAVID A. BENDER. "adenine." A Dictionary of Food and Nutrition. 2005. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

DAVID A. BENDER. "adenine." A Dictionary of Food and Nutrition. 2005. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O39-adenine.html

DAVID A. BENDER. "adenine." A Dictionary of Food and Nutrition. 2005. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O39-adenine.html

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adenine

The Oxford Pocket Dictionary of Current English | 2009 | Copyright

ad·e·nine / ˈadnˌēn; -ˌīn/ • n. Biochem. a compound, C₅H₅N₅, that is one of the four constituent bases of nucleic acids. A purine derivative, it is paired with thymine in double-stranded DNA.

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"adenine." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

"adenine." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O999-adenine.html

"adenine." The Oxford Pocket Dictionary of Current English. 2009. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-adenine.html

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adenine

A Dictionary of Nursing | 2008 | Copyright

adenine (ad-ĕ-neen) n. one of the nitrogen-containing bases (see purine) that occurs in the nucleic acids DNA and RNA. See also ATP.

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adenine

A Dictionary of Biology | 2004 | Copyright

adenine A purine derivative. It is one of the major component bases of nucleotides and the nucleic acids DNA and RNA.

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"adenine." A Dictionary of Biology. 2004. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

"adenine." A Dictionary of Biology. 2004. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O6-adenine.html

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adenine

A Dictionary of Ecology | 2004 | | Copyright

adenine A purine base found in nucleic acids. See also cytosine, guanine, and thymine.

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MICHAEL ALLABY. "adenine." A Dictionary of Ecology. 2004. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "adenine." A Dictionary of Ecology. 2004. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O14-adenine.html

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adenine

A Dictionary of Plant Sciences | 1998 | | Copyright

adenine A purine base which occurs in both DNA and RNA.

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MICHAEL ALLABY. "adenine." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "adenine." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O7-adenine.html

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adenine

adenine A purine base which occurs in both DNA and RNA.

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MICHAEL ALLABY. "adenine." A Dictionary of Zoology. 1999. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "adenine." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O8-adenine.html

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