WebGuanine ( / ˈɡwɑːnɪn /) ( symbol G or Gua) is one of the four main nucleobases found in the nucleic acids DNA and RNA, the others being adenine, cytosine, and thymine ( uracil in RNA). In DNA, guanine is … WebDefine cytosine. cytosine synonyms, cytosine pronunciation, cytosine translation, English dictionary definition of cytosine. n. Abbr. C A pyrimidine base, C4H5N3O, that is the constituent of DNA and RNA involved in base-pairing with guanine.
Nitrogenous Bases - Definition and Structures
WebAug 27, 2024 · Cytosine is a pyrimidine nucleobase with a chemical formula of C 4 H 5 N 3 O. Pyrimidine is a heterocyclic aromatic organic compound with a single ring (called a … WebSep 9, 2024 · Cytosine has a chemical formula of C4H5N3O and molecular weight, or molar mass, of 111.10 g/mol. The calculated density for cytosine is 1.55 g/cm3. Cytosine has a relatively high melting point ... cste typhus fever
Cytosine - Genome.gov
WebCells have a variety of mechanisms to prevent mutations, or permanent changes in DNA sequence. During DNA synthesis, most DNA polymerases "check their work," fixing the majority of mispaired bases in a process called proofreading. Immediately after DNA synthesis, any remaining mispaired bases can be detected and replaced in a process … WebRNA, abbreviation of ribonucleic acid, complex compound of high molecular weight that functions in cellular protein synthesis and replaces DNA (deoxyribonucleic acid) as a carrier of genetic codes in some viruses. RNA consists of ribose nucleotides (nitrogenous bases appended to a ribose sugar) attached by phosphodiester bonds, forming strands of … Webguanine: [noun] a purine base C5H5N5O that codes genetic information in the polynucleotide chain of DNA or RNA — compare adenine, cytosine, thymine, uracil. early girl bush tomatoes