Guanine meaning

gwä'nēn'
A purine base, C5 H5 ON5 , that is an essential constituent of both RNA and DNA.
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A crystalline purine base, C5H5N5O, contained in the nucleic acids of all tissue: it links with cytosine in the DNA structure.
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A purine base, C5 H5 ON5 , that is an essential constituent of both RNA and DNA.
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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.
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(chemistry) A substance first obtained from guano; it is a nucleic base and pairs with cytosine in DNA and RNA.
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Origin of guanine

  • From guano in which it is found
    From American Heritage Dictionary of the English Language, 5th Edition
  • From guano + -ine.
    From Wiktionary

Guanine Sentence Examples

  • Besides white (guanine) cells, the pigment includes black, brown, yellow and red.

  • The results at first obtained were very confusing and seemed to show that nucleic acid is very variable in constitution, but thanks to the work ~f Schmiedeberg and Stendel (Germany), Ivar Bang (Sweden) and Walter Jones and Levene (America), the confusion has been reduced to some sort of order, and it now seems probable that all ordinary nucleic acids yield two purine bases, adenine and guanine; two pyrimidine bases, cytosine and thymine and a hexose carbohydrate, the identity of which is uncertain.i The NucleolusIn the majority of plant-nuclei, both in the higher and lower plants, there is found, in addition to the chromatin network, a deeply stained spherical or slightly irregular body (sometimes more than one) called the nucleolus (fig.

  • guanine nucleotide-binding proteins.

  • guanine amine at this same position would push the drug away; hence its AT specificity.

  • G-proteins are so called because they bind the guanine nucleotides guanosine triphosphate (GTP) and guanosine triphosphate (GTP) and guanosine diphosphate (GDP ).

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Words near guanine in the Dictionary