1. Density Functional Theory, Cytosine, Tautomerism.

2. The most abundant bases are cytosine, thiamine , and uracil ( pyrimidines ) and adenine and guanine ( purines ) .

3. Analysis of the resulting cytosine methylation patterns with the highest resolution is achieved after sodium bisulfite treatment, deaminating nonmethylated cytosines to uracil.

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4. Cytidine ( cytosine nucleoside ) A NUCLEOSIDE formed when cytosine is linked to Dribose via a ? ? - glycosidic bond.

5. It relies upon the selective deamination of unmethylated cytosine to uracil after treatment with sodium bisulphite, usually followed by PCR amplification of the chosen target region.

6. The intermediate is condensed with cytosine after reduction and methyl sulfonylation and then acquires gemcitabine hydrochloride after de-protection and salification.

7. In certain bacteriophages, 5- methylol cytosines have substituted for the cytosine. In the late 40s, looks up Garv E.

8. The other two, thymine and cytosine, are single ring structures called pyrimidines.

9. He uses zeroes and ones to represent the very first chemical building blocks of life (most likely compounds based on adenine, thymine, guanine, cytosine or uracil).

10. The DNA base composition is 32.6 - 33.1 mol % guanine plus cytosine.

11. Methods: Induction regiment of acute myeloid leukemia ( AML ) consisted of mitoxantrone and cytosine arabinoside ( Ara C ).

12. The team looked at methylation, in which a methyl group is placed onto cytosine in DNA sequences.

13. It stores information as a sequence of chemical building blocks (nucleotides) we call A, C, T, and G (for adenine, cytosine, thymine, and guanine in DNA, and uracil replacing thymine in RNA).

14. Researchers at Purdue University used synthetic forms of guanine and cytosine.

15. Much is known about the "fifth base, " 5-methylcytosine, which arises when a chemical tag or methyl group is tacked onto a cytosine.

16. The base ratio of 1:1 for the bases adenine and thymine and the bases cytosine and guanine was the first clue to the specificity of BASE PAIRING in the nucleic acids.

17. Two potential wells are found. One corresponds to the normal cytosine , while the other corresponds to its imino tautomer.

18. There are just four kinds: adenine, thymine, guanine and cytosine.

19. Any of several basic compounds derived from or structurally related to pyrimidine, especially the nucleic acid constituents uracil, cytosine, and thymine.