guanine
/ˈɡwɑː.niːn/
ꞬWⱭː · niːn (2 syllables)
English
Noun
Ad
Definition
A substance first obtained from guano; it is a nucleic base and pairs with cytosine in DNA and RNA (by means of three hydrogen bonds).
Etymology
From guano + -ine. Guanine was named by the German chemist Julius Bodo Unger in 1846 who isolated it from guano.
Example Sentences
- "Then he found them, the substances that made up the four-letter alphabet in whose language all life is written — adenine and cytosine, guanine and thymine."
Ad