- a purine base, C5H5N5O, that is a fundamental constituent of DNA and RNA, in which it forms base pairs with cytosine. Symbol: G
Origin of guanine
Examples from the Web for guanine
Historical Examples of guanine
The artificial preparation of theobromine and caffeine from xanthine, and guanine also show clearly their relations.
He was afterwards named Biberoci Guahagiona, and the women gave him abundance of guanine and cibe to wear upon his arms.
Besides white (guanine) cells, the pigment includes black, brown, yellow and red.
The cutis contains several kinds of specialized cells in many layers, each filled with minute granules of guanine.
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 Thatcher
- 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
- A purine base that is an essential constituent of both RNA and DNA.
- 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.