| 21. | The reaction of C 3 O and urea is predicted to form uracil.
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| 22. | Uracil also recycles itself to form nucleotides by undergoing a series of phosphoribosyltransferase reactions.
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| 23. | There are many laboratory syntheses of uracil available.
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| 24. | Uracil and thymine are identical except that uracil lacks the 5'methyl group.
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| 25. | Uracil and thymine are identical except that uracil lacks the 5'methyl group.
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| 26. | Cytosine, thymine, and uracil are all pyrimidines ( abbreviated as Y ).
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| 27. | Similarly, deamination of cytosine results in uracil.
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| 28. | Bisulfite sequencing relies on the conversion of every single unmethylated cytosine residue to uracil.
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| 29. | The uracil group of CYN has been identified as a pharmacophore of the toxin.
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| 30. | Adenine and guanine are purines, while thymine, cytosine and uracil are pyrimidines.
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