U (uracil)
A nucleotide base and one member of the A-U (adenine-uracil) base pair in RNA. The other base pair in RNA is G-C (guanine-cytosine). Uracil takes the place in RNA that thymine (T) occupies in DNA.

Medical dictionary. 2011.

Look at other dictionaries:

  • Uracil — Uracil …   Wikipedia

  • Uracil — Uracil, Pyrimidinbase; kommt als Baustein der ⇒ Nucleotide der RNA vor. Das Nucleosid des U. ist das Uridin …   Deutsch wörterbuch der biologie

  • U — U1 [yo͞o] adj. Informal of the upper or wealthy class, esp. the British upper class, as characterized by supposedly definitive usages, accent, behavior, tastes, etc. U2 abbrev. 1. uncle 2. Union 3. United 4. University …   English World dictionary

  • u|ra|cil — «YUR uh suhl», noun. a substance present in nucleic acid in cells. It is one of the pyrimidine bases of ribonucleic acid or RNA, corresponding to thymine in DNA. »RNA is a giant molecule built up of nucleotides containing ribose sugar and any one …   Useful english dictionary

  • uracil — u•ra•cil [[t]ˈyʊər ə sɪl[/t]] n. biochem. a pyrimidine base, C4H4N2O2, that is one of the fundamental components of RNA, in which it forms base pairs with adenine Symbol: U • Etymology: 1905–10; ur I+ ac (etic) + il, of uncert. orig …   From formal English to slang

  • u|ri|dine — «YUR uh dihn, deen», noun. a white powder, a nucleoside of uracil, present in ribonucleic acid. Formula: C9H12N2O6 …   Useful english dictionary

  • uracil — (u rah sil) The pyrimidine 2,4 dioxypyrimidine, which is found in nucleosides, nucleotides, and RNA …   Dictionary of microbiology

  • uracil — u|ra|cil Mot Agut Nom masculí …   Diccionari Català-Català

  • Uracil — U|ra|cil 〈n.; Gen.: s, Pl.: e; Biochemie〉 Purinbase, wichtiger Bestandteil der Ribonukleinsäure …   Lexikalische Deutsches Wörterbuch

  • uracil —   (U)   A pyrimidine base, C4H4N2O2, that is an essential constituent of RNA.   See also nucleotide.   Cf. thymine (T) …   Expanded glossary of Cycad terms

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”