A pyrimidine is an organic compound known as an aromatic heterocyclic compound and has the molecular formula of C 4 H 4 N 2. Uracil is planar and unsaturated and has the ability to absorb light. Les pyrimidines possèdent un cycle azoté hexagonal comprenant quatre atomes de carbone et deux d' azote. Sample translated sentence: 5-FU can be a metabolic analog of thymine (in DNA synthesis) or uracil (in RNA synthesis). Thus, it only has one ring. Helicase definition: any of the enzymes that use the energy derived from the hydrolysis of nucleoside triphosphates to unwind the double-stranded helical structure of nucleic acids. Uracil is represented by the letter U in RNA and is a pyrimidine. see more. 00:00. SHABDKOSH Apps. 4K . Codon (definition) three-nucleotide sequence on messenger RNA that codes for a single amino acid. US English. uracil is the translation of "Uracil" into English. uracil - WordReference English dictionary, questions, discussion and forums. Discover if uracil is found in DNA. Here are 4 tips that should help you perfect your pronunciation of 'uracil': Break 'uracil' down into sounds : [YOOR] + [UH] + [SIL] - say it out loud and exaggerate the sounds until you can consistently produce them. Understand the definition and structure of the compound uracil. Why is uracil used in RNA? Uracil is energetically less expensive for the production of thymine. Discover if uracil is found in DNA. Background Total neoadjuvant therapy (TNT) is a novel treatment strategy that is an alternative to preoperative chemoradiotherapy (CRT) for locally advanced rectal cancer (LARC). It has a role as a Daphnia magna metabolite. American & British English pronunciation of male & female voi. 2: DNA Replication. In this paper we will review: (i) sources of the origin of uracil in DNA; (ii) some properties of the enzymes responsible for the excision of uracil and their role in the Ig diversification process, which comprises. A nitrogenous base (also called nucleobase) is a nitrogen-containing compound that may form a nucleoside when they are attached to a five-carbon sugar ribose or deoxyribose. Synonyms. Related to this Question. DNA and RNA. The pyrimidine ring. Pyrimidine, any of a class of organic compounds of the heterocyclic series characterized by a ring structure composed of four carbon atoms and two nitrogen atoms. Hypernym: pirimidina. Is a polymer with a ribose and phosphate backbone with four varying bases: uracil, cytosine, adenine and guanine. DNA is less reactive because of C-H bonds and RNA is more reactive beacause of C-OH bonds. from . Chapter 11 / Lesson 9. Uracil (U): Uracil is a weak acid with the chemical compound C 4 H 4 N 2 O 2. The word or phrase uracil refers to a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine. Related to this Question. Definition: A nucleic acid that contains the genetic instructions used in the development and functioning of all modern living organisms. Unlike the determination of uracil and DHU levels and the derived DHU:U ratio, which have been described in previous work, the determination of thymine and DHT levels and the derived DHT:T ratio is a relatively unexplored parameter. Translation is when it occurs when the mRNA strand moves out of the nucleus and into the cytoplasm. Related to this Question. Noun [ edit] uracilo m (plural uracilos) ( organic chemistry) uracil. Helicase. 2 µg DNA (10 4 -10 5 cpm/µg) in 30 minutes at 37°C. As a nitrogenous base, cytosine is full of nitrogen atoms (it has three). Yes, RNA always contains uracil as a base nucleotide that pairs with adenine in place of the thymine nucleotide. DNA, organic chemical of complex molecular structure found in all prokaryotic and eukaryotic cells. However, somatic mutation detection protocols use DNA from formalin-fixed and paraffin-embedded (FFPE) tumor tissues, which can result in detection of nonreproducible sequence artifacts, especially C:G > T:A transitions, in. Cytosine 2. Here are 4 tips that should help you perfect your pronunciation of 'uracil': Break 'uracil' down into sounds : [YOOR] + [UH] + [SIL] - say it out loud and exaggerate the sounds until you can consistently produce them. When base pairing with adenine, uracil acts as both a hydrogen bond acceptor and a hydrogen bond donor. Related to this Question. Definition of thymine noun in Oxford Advanced Learner's Dictionary. The chains of nucleotides in a nucleic acid are linked by 3′, 5′ phosphodiester linkages. It has a deoxyribose and phosphate backbone having four distinct bases: thymine, adenine, cytosine and guanine. Thymine is made from uracil in a methylation cycle. The correct answer is False. uracil: A pyrimidine derivative andone of the major component bases ofnucleotides and the nucleic acidRNA. What is Uracil. Look through examples of uracil translation in sentences, listen to pronunciation and learn grammar. Definition. This can account for its utilization in RNA. Which of the following is found in protein, but is not found in DNA? (a) Sulfur (b) Phosphorous (c) Carbon (d) Nitrogen (e) Oxygen. Learn how to say Phosphodiester with EmmaSaying free pronunciation tutorials. Uracil may arise in DNA as a result of spontaneous cytosine deamination and/or misincorporation of dUMP during DNA replication. When three continuous. A purine, on the other hand, has two rings of. Norton and Company, Inc. Check out the pronunciation, synonyms and grammar. Definition and meaning were removed to avoid copyright violation, but you can find them h. after it has been transcribed from DNA but. There are three major types of RNA involved in this process: (1) messenger RNA (mRNA), (2) transfer RNA (tRNA), and (3) ribosomal RNA (rRNA). double helix. Zira. Adenine and guanine are fused five - and six-membered purines, while cytosine and thymine are six-membered rings called uracil (U), replaces thymine in RNA. 0) and 20 mM ammonium sulfate. The following products are also available:uracil - Meaning in English, what is the meaning of uracil in English dictionary, pronunciation, synonyms, usage examples and definitions of uracil in English and English. a phosphate group and a nitrogenous base, either Adenine, Guarine, Cytosine, Thymine, or Uracil. The structure of uracil can be described as. The others are adenine (A), cytosine (C), and guanine (G). Related to this Question. Transcription uses one of the two exposed DNA. guanine. Transcription is the first step in gene expression. Uracil: Definition & Structure. All these transformations disrupt base pairing at the site of the change, and this produces a structural deformation in the double helix. Guanine-Cytosine base pair. Synonyms : U. Purines. American & British English pronunciation of male & female voi. Les. The two main types of nucleic acids are deoxyribonucleic acid (DNA)ribonucleic acid (RNA). The simplest member of the family is pyrimidine itself, with molecular formula C4H4N2. Learn the function of uracil, as well as its properties. Pronunciation [edit] IPA : /ˈjʊərəsɪl/ Noun [edit] uracil (countable and uncountable, plural uracils) (organic chemistry) One of the bases of RNA, pairing with. a. US English. The guanine nucleoside is called guanosine . It has a pyrimidine ring structure. RNA is made up of sequence of 4 chemical building. In the related molecule RNA, thymine is replaced by its close relative uracil, so the pairs are adenine-uracil and guanine-cytosine. Uracil and thymine have very similar structures; uracil is an unmethylated form of thymine. A tablet formulation containing 5-ethynyluracil (GW776), an ethynyl derivative of uracil and the antineoplastic agent 5-Fluorouracil (5-FU) in a 10:1 ratio. 21 views 22 hours ago. 2. Uracil is one of the nucleobases in the RNA, such as adenine, Guanine and cytosine where as in all living beings that contains DNA, lack uracil in its nucleotide base pairs. Definition: Gene. Uracil-DNA Glycosylase, heat-labile contains the equally named enzyme found in the marine bacterium BMTU 3346. Replication creates identical DNA strands, while transcription converts DNA into messenger RNA (mRNA). synonyms: U. These two processes are essential for life. Uracil (U) is one of the four nucleotide bases in RNA, with the other three being adenine (A), cytosine (C) and guanine (G). Média de décryptage, Futura vous emmène à la rencontre des découvertes et innovations qui. Weird things about the name Uracil: The name spelled backwards is Licaru. Tags for the word Uracil: Hindi meaning of Uracil, What Uracil means in hindi, Uracil meaning in hindi, hindi mein Uracil. The four nitrogenous bases in DNA. 2 μg DNA (10 4 –10 5 cpm/μg) in 30 minutes at 37°C. The consideration that cells must possess an ability to remove uracil from DNA, which arises either by misincorporation of deoxyuridine monophosphate (dUMP) during DNA replication or by hydrolytic deamination of cytosine, led to the discovery of an enzyme capable of. . ID: GO:0046107 Synonyms: Articles referencing this term. As for the nitrogenous base (or nucleobase) component, the common bases are adenine (A), guanine (G), cytosine (C), and uracil (U). Pseudouridine (abbreviated by the Greek letter psi- Ψ) [1] is an isomer of the nucleoside uridine in which the uracil is attached via a carbon-carbon instead of a nitrogen-carbon glycosidic bond . Uracil phosphoribosyltransferase (UPP) catalyzes the initial step in this pathway and is required for the establishment of photosynthesis, as revealed by analysis of upp mutants. 4K . Subscribe for more videos!Figure 10. A virus that infects bacteria. Various toxic metabolites may oxidize or methylate heterocyclic base components. 3 Deamination of cytosine, a rather frequent process that readily occurs under. a graphic representation of this letter. Pyrimidines, which include thymine (T), cytosine (C), and uracil (U), have a single-ring structure. It is a part of both nucleosides and a nucleotide. How to properly pronounce uracil? uracil Pronunciation ˈyʊər ə sɪl uracil Here are all the possible pronunciations of the word uracil. | Bedeutung, Aussprache, Übersetzungen und BeispieleThis greatly hinders the definition and use of validated cut-off and/or reference values. Term. Related to this Question. from . It is generally accepted that negative discrimination against uracil in DNA is caused by the chemical instability of cytosine. Nucleic acids, macromolecules made out of units called nucleotides, come in two naturally occurring varieties: deoxyribonucleic acid ( DNA) and ribonucleic acid ( RNA ). Thymine (T) is one of the four nucleotide bases in DNA, with the other three being adenine (A), cytosine (C) and guanine (G). The present study will be an open-label, single-arm, single-center trial to develop a new. Uracil DNA-glycosylase (UNG) is a DNA repair enzyme that removes the highly mutagenic uracil lesion from DNA using a base flipping mechanism. ChemSpider ID 1141. US English. Decoding biological principles using gene circuits. Related to this Question. A and G are categorized as purines, and C, T, and U are called pyrimidines. Learn the function of uracil, as well as its properties. all of these are correct. coli CJ236 dut−ung −) at +37°C in 60 minutes. A pyrimidine is an organic compound known as an aromatic heterocyclic compound and has the molecular formula of C 4 H 4 N 2. Understand the definition and structure of the compound uracil. Perfect your pronunciation and sound like a native speaker today!uracil - Translation to Spanish, pronunciation, and forum discussions. The sequence of the four nucleotide bases encodes DNA’s information. deviation, Use the word bank to answer the question. The five nucleosides are commonly. DNA is used to make RNA. As a nitrogenous base, cytosine is full of nitrogen atoms (it has three). See examples of. URACIL definition: a pyrimidine present in all living cells , usually in a combined form, as in RNA. A uracil is an unmethylated form of thymine. , 5-methyl-uracil) and (B) de novo biosynthesis of dTMP. Thymine like other pyrimidines has a heterocyclic aromatic ring and has a molar mass of 126. Study with Quizlet and memorize flashcards containing terms like Match each vocabulary word with the letter corresponding to its correct definition. Here are 4 tips that should help you perfect your pronunciation of 'uracil': Break 'uracil' down into sounds : [YOOR] + [UH] + [SIL] - say it out loud and exaggerate the sounds until you can consistently produce them. What is the scientific definition of uracil? Definition of uracil : a pyrimidine base C4H4N2O2 that is one of the four bases coding genetic information in the polynucleotide chain of RNA — compare adenine, cytosine, guanine, thymine. The nitrogenous base (guanine in this example) is linked to the 1′ carbon of the deoxyribose and the phosphate groups are linked to the 5′ carbon. DNA is the genetic material found in all living organisms, ranging from single-celled bacteria to multicellular mammals. Look through examples of Uracil translation in sentences, listen to pronunciation and learn grammar. | Meaning, pronunciation, translations and examples in American English Uracil definition: A colorless, crystalline, pyrimidine base, C 4 H 4 N 2 O 2 , that occurs as a constituent of RNA. In RNA, thymine is replaced by the nucleobase uracil. It under normal conditions is not seen in DNA but is present in RNA replacing thymine. The bases combine with the sugar to make the nucleotides adenosine, guanosine, cytidine, thymidine, and uridine. synonyms: U. Mark. The nitrogenous base comes under the type of pyrimidine base, which appears as a single ring structure within the backbone of ribonucleic acid where it complements pairs with the purine base adenine by two hydrogen bonds. uracil attached to the ribose sugar. It has adenine, thymine, Guanine and Cytosine, where adenine pairs up with thymine and guanine pairs up with cytosine, in case of RNA, thymine is replaced. Uracil definition: a pyrimidine base, C4H4N2O2, that is one of the fundamental components of RNA, in which it forms base pairs with adenine. A) Cytidine is deaminated to uracil so it would be difficult for any repair mechanism to differentiate between uracil that belongs in the sequence and uracil that resulted. URACIL definition: a pyrimidine present in all living cells , usually in a combined form, as in RNA. uracil (yŏŏr´əsĬl), organic base of the pyrimidine [1] family. noun. With the help of enzyme uracil glycosylase such defects in DNA can be. uracil: A pyrimidine derivative andone of the major component bases ofnucleotides and the nucleic acidRNA. C. Thus, adenine complementary base pairs with uracil in RNAs. What is Uracil. u: [noun] the 21st letter of the English alphabet. uracil - Meaning in English, what is the meaning of uracil in English dictionary, pronunciation, synonyms, usage examples and definitions of uracil in English and English. a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine. is replaed by a structurally similar base called. An RNA molecule has a backbone made of alternating phosphate groups and the sugar ribose, rather than the deoxyribose found in DNA. Definition. Uridine triphosphate (UTP) is a nucleoside phosphate in being comprised of a ribonucleoside and three phosphate groups. 00:00. Symbol. See uracil meaning in Marathi, uracil definition, translation and meaning of uracil in Marathi. One of the bases of RNA. English (UK) Pronunciation: Catalan Pronunciation: Chinese (Mandarin) Pronunciation: Chinese (China) Pronunciation: Chinese (Hong Kong) Pronunciation: Chinese (Taiwan) Pronunciation: Danish Pronunciation:Uracil: Definition & Structure. fluorouracil: [noun] a fluorine-containing pyrimidine base C4H3FN2O2 used as a neoplastic agent to treat some kinds of cancer. Pyrimidine is a heterocyclic aromatic organic compound with a single ring (called a pyrimidine ring) with alternating carbon and nitrogen atoms. It also has one ring of carbon, which makes it a pyrimidine. They function as the fundamental units of the genetic code, with the bases A, G, C, and T being found in DNA while A, G, C, and U are found in RNA. cytosine b. How to pronounce, definition by. 08676 g/mol and a melting point of 335 °C. Cytosine, Thymine, and Uracil. Uracil. Mark. Uracil is a pyrimidine nucleobase with a chemical formula of C 4 H 4 N 2 O 2. (FAU, NCI Dictionary) It is a combination of tegafur and uracil. from . DNA and RNA base pairing is slightly different since DNA uses the bases adenine, thymine, cytosine, and guanine; RNA uses adenine, uracil, cytosine, and guanine. Uracil - Meaning in Hindi. It also has one ring of carbon, which makes it a pyrimidine. 9. DefinitionUracil was identified in the sample returned from the asteroid Ryugu. Definition. Thermodynamic Potential for the Abiotic Synthesis of Adenine, Cytosine, Guanine, Thymine, Uracil, Ribose, and Deoxyribose in Hydrothermal Systems. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Uracil is similar to thymine in terms of structure except for the methyl group at position 5 in the heterocyclic aromatic ring present in thymine. Tegafur is converted to fluorouracil by the CYP isoenzymes, and uracil prevents further degradation by competitive inhibition of dihydropyrimidine dehydrogenase [2R ]. Uracil has a melting point of 335 °C. The reason is RNA editing: the alteration of the sequence of nucleotides in the RNA. . Uracil is a demethylated form of thymine, and replaces thymine in RNA. A phosphate group attached to the 3' carbon of one ribose molecule attaches to the 5' carbon of the next ribose molecule. Subscribe for more videos!Here are 4 tips that should help you perfect your pronunciation of 'uracil': Break 'uracil' down into sounds : [YOOR] + [UH] + [SIL] - say it out loud and exaggerate the sounds. Here are 4 tips that should help you perfect your pronunciation of 'uracil': Break 'uracil' down into sounds: [YOOR] + [UH] + [SIL] - say it out loud and exaggerate the sounds until you can consistently produce them. g. Nucleic acids. uracil: ChEBI ID CHEBI:17568: Definition A common and naturally occurring pyrimidine nucleobase in which the pyrimidine ring is substituted with two oxo groups at positions 2 and 4. Uracil definition, n. : a pyrimidine base C4H4N2O2 that is one of the four bases coding genetic information in the polynucleotide chain of RNA compare adenine,. noun uracil a pyrimidine present in all living cells, usually in a combined form, as in RNA. Five nucleobases— adenine (A), cytosine (C), guanine (G), thymine (T), and uracil (U)—are called primary or canonical. A Dictionary of Nursing. Learn the function of uracil, as well as its properties. Like the UNG from E. RNA editing occurs by two distinct mechanisms: Substitution Editing: chemical alteration of individual nucleotides (the equivalent of point mutations). This ring is known as a pyrimidine ring. Li and Sancar provided a comprehensive overview on. : a pyrimidine base C4H4N2O2 that is one of the four bases coding genetic information in the polynucleotide chain of RNA compare adenine, cytosine, guanine, thymine. Translation. Find uracil similar words, uracil synonyms. How to say Lyme all uracil in English? Pronunciation of Lyme all uracil with and more for Lyme all uracil. This base pairing is necessary for the stability and folding of RNA molecules, and recognition of RNA sequences. Definition. Record yourself saying 'uracil' in full sentences, then watch yourself and listen. Pyrimidine is a metabolite found in or produced by Escherichia coli (strain K12, MG1655). Discover if uracil is found in DNA. The base can be removed by the enzyme uracil-N-deglycosylase (UNG) which renders the oligo susceptible to strand scission. Learn how to say Uracil in English correctly with TextToSpeech. premium. In 1953, Alexander Rich with famed chemist Linus Pauling discovered the structure of RNA at Caltech using X-ray crystallography. Its main function is the. What is the correct order of steps. Learn and practice the pronunciation of uracil. How to say uracils in English? Pronunciation of uracils with 1 audio pronunciation, 1 meaning, 2 translations and more for uracils. m ɪ ˌ d iː n, p aɪ ˈ r ɪ. Name the four nitrogenous bases that are found in DNA. However, there's no set in stone theory as to why either RNA uses Uracil instead of. a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine. translation in hindi for Uracil with similar and opposite words. Its nucleoside contains a pyrimidine base, i. Review on the Impact of Polyols on the Properties of Bio-Based Polyesters. This seems to be the case for the use of Adenine in ATP. uracil noun. 4K . from . Symbol. Get emergency medical help if you have signs of an allergic reaction (hives, difficult breathing, swelling in your face or throat) or a severe skin reaction (fever, sore throat, burning eyes, skin pain, red or purple skin rash with blistering and peeling). In RNA, thymine is replaced with uracil. 3. A hydrogen atom is linked to the 5′-C of the uracil’s aromatic ring structure. The base can be a pyrimidine [ thymine (T), cytosine (C), and uracil (U)]; or a purine [ adenine (A) and. ; Record yourself saying 'uracil' in full sentences, then watch yourself and listen. The nitrogenous bases can be divided into two categories: purines and pyrimidines. A ribonucleotide is a nucleotide that has a ribose as its sugar component. One of the bases of RNA. Cytosine can be distinguished from the other pyrimidines by having a keto group at position 2 and an amine group at position 4 in its heterocyclic aromatic ring. unselfish d. Discover if uracil is found in DNA. Three parts make up a nucleotide: A Nitrogenous base — either adenine, thymine, guanine, or cytosine. The structures of polynucleotide strands of both DNA and RNA molecules can be understood in terms of sugar-phosphate backbones. There are two types of nucleic acids in biology: DNA and RNA. 4K . Learn how to say Uracil with EmmaSaying free pronunciation tutorials. All nucleic acids contain the bases A, C, and G; T, however, is found only in DNA, while U is found in RNA. Chapter 11 / Lesson 9. m ɪ ˌ d iː n /) is an aromatic, heterocyclic, organic compound similar to pyridine (C 5 H 5 N). It codes genetic information for the transmission of inherited traits. At this time, DNA was also identified as the source of. Rate the pronunciation struggling of Uracil. A nucleoside is a base linked to a sugar. Definición Español: Nucleótido de uracilo que contiene un grupo pirofosfato esterificado al C5 de la molécula de azúcar. The RNA-specific pyrimidine uracil forms a complementary base pair with adenine and is used instead of the thymine used in DNA. RNA is generally single-stranded instead of double-stranded. Functionality – Uracil is important in the formation and function of RNA, where it creates complementary base pairs with adenine. Uracil (Lamivudine EP Impurity F) is a nitrogenous base on RNA nucleosides. Definition English: A uracil nucleotide containing a pyrophosphate group esterified to C5 of the sugar moiety. Uracil: The heterocyclic aromatic ring of uracil contains two keto groups at its C-2 and C-4. Refine your pronunciation of uracil with our free online dictionary. It is found in the nucleus of eukaryotes and in the organelles, chloroplasts, and mitochondria. Check 'uracil' translations into Croatian. Synonyms : U. DNA and RNA. Scientific context: - "Uracil is a pyrimidine base that replaces thymine in RNA molecules. It is functionally. DNA is made of two linked strands that wind around each other to resemble a twisted ladder — a shape known as a double helix. The five bases are adenine, guanine, cytosine, thymine, and uracil, which have the symbols A, G, C, T, and U, respectively. helicase. Its nucleoside contains a pyrimidine base, i. Thymine is also known as 5-methyluracil, a pyrimidine nucleobase. Thymine: Thymine is a pyrimidine base that is a component of DNA. Molecular Formula. A uracil-based nucleotide is called uridine. Definition of Uracil. Cytosine ( / ˈsaɪtəˌsiːn, - ˌziːn, - ˌsɪn / [2] [3]) ( symbol C or Cyt) is one of the four nucleobases found in DNA and RNA, along with adenine, guanine, and thymine ( uracil in RNA). uracile, U are the top translations of "uracil" into French. How to pronounce,. DNA pairing is A,T and C,G which is Adenine and Thymine and Guanine and Cytosone. Discover if uracil is found in DNA. It is a thiocarbonyl compound and a nucleobase analogue. Base pairs refer to the sets of hydrogen-linked nucleobases that make up nucleic acids DNA and RNA. Vad är Uracil - Definition, struktur, egenskaper 2. Nucleic acids, macromolecules made out of units called nucleotides, come in two naturally occurring varieties: deoxyribonucleic acid ( DNA) and ribonucleic acid ( RNA ). It has a chemical formula of C 4 H 5 N 3 O. English Odia Dictionary. You'll be able to mark your mistakes quite easily. Translate. The RNA molecule consists of a sequence of nucleotides, each containing a five-carbon sugar (ribose), a phosphate group, and a nitrogenous base. a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine Synonyms : U; SHABDKOSH Apps. Pronunciation of Cytidine: Learn how to pronounce the word Cytidine. Learn and practice the pronunciation of uracil. Fun Facts about the name Uracil. Definition: It is a long polymer. (ˈjʊərəsɪl ) noun biochemistry a pyrimidine present in all living cells, usually in a combined form, as in RNA. a pyrimidine base, C 4 H 4 N 2 O 2 , that is one of the fundamental components of RNA, in which it forms base pairs with adenine. ” In DNA, A and T pair. (Ftorafur, NCI Dictionary)Definition of transformation. It involves copying a gene's DNA sequence to make an RNA molecule. 4K . US English. . 00:00. The name of the base is generally used as the name of the nucleotide, although this is technically incorrect. New. Cytosine forms three nitrogenous pair with guanine in the Watson-Crick model of DNA. They are joined together as a base pair by two hydrogen bonds, which stabilize the. Uracil biosynthetic process Definition: The chemical reactions and pathways resulting in the formation of uracil, 2,4-dioxopyrimidine, one of the pyrimidine bases occurring in RNA, but not in DNA. In. How to properly pronounce uracil? uracil Pronunciation ˈyʊər ə sɪl uracil Here are all the possible pronunciations of the word uracil. Last updated. In RNA, uracil binds to. In DNA, guanine is paired with cytosine. RNA polymerase function. noun.