guanine


gua·nine

noun \ˈgwä-ˌnēn\

Definition of GUANINE

:  a purine base C5H5N5O that codes genetic information in the polynucleotide chain of DNA or RNA — compare adenine, cytosine, thymine, uracil

Origin of GUANINE

guano + -ine; from its being found especially in guano
First Known Use: 1850

gua·nine

noun \ˈgwän-ˌēn\   (Medical Dictionary)

Medical Definition of GUANINE

: a purine base C5H5N5O that codes genetic information in the polynucleotide chain of DNA or RNA—compare adenine, cytosine, thymine, uracil

Illustration of GUANINE

guanine

noun    (Concise Encyclopedia)

Organic compound of the purine family, often called a base, consisting of two rings, each containing both nitrogen and carbon atoms, and an amino group. It occurs in combined form in many important biological molecules, particularly nucleic acids, and free or combined in various natural sources, including guano, sugar beets, yeast, and fish scales. In DNA its complementary base is cytosine. It or its corresponding nucleoside or nucleotide may be prepared from nucleic acids by selective techniques of hydrolysis.

Browse

Next Word in the Dictionary: guano
Previous Word in the Dictionary: guaniferous
All Words Near: guanine

Seen & Heard

What made you want to look up guanine? Please tell us where you read or heard it (including the quote, if possible).