guanine
[ gwah-neen ]
/ ˈgwɑ nin /
noun Biochemistry.
a purine base, C5H5N5O, that is a fundamental constituent of DNA and RNA, in which it forms base pairs with cytosine. Symbol: G
Compare
guanosine.
Words nearby guanine
Example sentences from the Web for guanine
The cutis contains several kinds of specialized cells in many layers, each filled with minute granules of guanine.
The artificial preparation of theobromine and caffeine from xanthine, and guanine also show clearly their relations.
Adenine and guanine are constituents of all nucleic acids (see below) and, hence, are found in all plant and animal tissues.
The Chemistry of Plant Life |Roscoe Wilfred ThatcherHe was afterwards named Biberoci Guahagiona, and the women gave him abundance of guanine and cibe to wear upon his arms.
British Dictionary definitions for guanine
guanine
/ (ˈɡwɑːniːn, ˈɡuːəˌniːn) /
noun
a white almost insoluble compound: one of the purine bases in nucleic acids. Formula: C 5 H 5 N 5 O
Word Origin for guanine
C19: from
guano +
-ine ²
Medical definitions for guanine
guanine
[ gwä′nēn′ ]
n.
A purine base that is an essential constituent of both RNA and DNA.
Scientific definitions for guanine
guanine
[ gwä′nēn′ ]
A purine base that is a component of DNA and RNA, forming a base pair with cytosine. It also occurs in guano, fish scales, sugar beets, and other natural materials. Chemical formula: C5H5ON5.