guanine

gua·nine

[gwah-neen]
noun Biochemistry.
a purine base, C 5 H 5 N 5 O, that is a fundamental constituent of DNA and RNA, in which it forms base pairs with cytosine. Symbol: G
Compare guanosine.


Origin:
guan(o) + -ine2

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Collins
World English Dictionary
guanine (ˈɡwɑːniːn, ˈɡuːəˌniːn) [Click for IPA pronunciation guide]
 
n
a white almost insoluble compound: one of the purine bases in nucleic acids. Formula: C5H5N5O
 
[C19: from guano + -ine²]

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Guanine is always a great word to know.
So is phospholopid. Does it mean:
any of several major female sex hormones produced primarily by the ovarian follicles of females
lipid that has one or more phosphate groups attached to it
American Heritage
Medical Dictionary

guanine gua·nine (gwä'nēn')
n.
Abbr. G
A purine base that is an essential constituent of both RNA and DNA.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
guanine   (gwä'nēn')  Pronunciation Key 
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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