uracil - permalink
All > Science > Biotechnology and Genetics > Human Genome
- A nitrogenous base normally found in RNA but not DNA; uracil is capable of forming a base pair with adenine. See also: base pair, nucleotide
Human Genome Project - Cite This Source - This Definition - One of the four bases in RNA. The others are adenine, guanine, and cytosine. Uracil replaces thymine, which is the fourth base in DNA. Like thymine, uracil always pairs with adenine. See also protein, nucleotide
National Human Genome Research Institute - Cite This Source - This Definition - Browse Related Terms: adenine, Adenine (A), base, base pair, Base pair (bp), cytosine, Cytosine (C), DNA (Deoxyribonucleic acid), genetic code (ATGC), guanine, Guanine (G), intellectual property rights, nitrogenous base, Nucleotide, purine, pyrimidine, thymine, Thymine (T)