How to Use cytosine in a Sentence

cytosine

noun
  • The bases pair up, with adenine bonding to thymine and cytosine to guanine.
    Bijal P Trivedi, Discover Magazine, 30 July 2013
  • All genes consists of base pairs made of adenine (A), thymine (T), guanine (G), and cytosine (C).
    Manasee Wagh, Popular Mechanics, 1 Apr. 2022
  • Stuck to every sugar is a base—the As (adenine), Gs (guanine), Cs (cytosine), and Ts (thymine).
    Sarah Scoles, Scientific American, 13 Jan. 2023
  • To form the i-motif, the double helix untwists and then one of the strands bunches up with a bunch of cytosine molecules.
    Avery Thompson, Popular Mechanics, 24 Apr. 2018
  • Each gene consists of some number of base pairs made of adenine (A), thymine (T), guanine (G), and cytosine (C).
    Caroline Delbert, Popular Mechanics, 3 June 2021
  • Instead of hooks and loops, the Velcro has the nucleotides that make up DNA: adenine, cytosine, guanine and thymine.
    Gaia Squarci, Smithsonian Magazine, 10 Aug. 2020
  • Adenine bonds with thymine, and cytosine bonds with guanine.
    Olivia Munson, USA TODAY, 14 Feb. 2023
  • The bases are often referred to as A, C, G and T, the initials of their full chemical names, adenine, cytosine, guanine and thymine.
    The Economist, 26 Oct. 2017
  • In the graphic below, cytosine is replaced with thymine.
    Courtney Linder, Popular Mechanics, 25 July 2020
  • Called a tautomer, the drug assumes two forms, one which closely resembles uracil (U) and the other cytosine (C).
    William A. Haseltine, Forbes, 8 Oct. 2021
  • Her team reported last year in Cell that many mRNA cytosine bases are acetylated.
    Ken Garber, Science | AAAS, 1 July 2019
  • These symbols represent the four basic chemical letters, or bases, the body uses to form DNA--guanine, cytosine, adenine and thymine.
    Razib Khan, Discover Magazine, 30 Dec. 2010
  • However, rather than the conventional duo of base pairs, adenine and uracil or cytosine and guanine, the molecules form hexamers, or six-membered rings.
    Quanta Magazine, 5 Feb. 2014
  • In all living things, DNA is naturally composed of four compounds, adenine, cytosine, guanine, and thymine.
    Carl Zimmer, Discover Magazine, 6 July 2011
  • The low prevalence of uracil sequences is connotated by an enrichment for guanine and cytosine sequences.
    William A. Haseltine, Forbes, 28 Oct. 2021
  • The vast chains of DNA in each cell are made of just four molecules — adenine, guanine, thymine and cytosine — arranged in enormously varied configurations.
    Gina Kolata, The Seattle Times, 12 July 2017
  • All that means is that there’s a genetic variation at a certain location on your genome—for example, a cytosine base instead of thymine at position 42.
    Caitlin Harrington, Wired, 2 Oct. 2020
  • Rather than inducing random changes in the virus’ RNA genome, the drug is more likely to cause specific nucleic acid substitutions, with guanine switching to adenine and cytosine to uracil.
    Byrobert F. Service, science.org, 1 Feb. 2023
  • In a process called hydrolytic deamination, for example, the base cytosine spontaneously loses its amino group and becomes uracil.
    Quanta Magazine, 29 May 2019
  • For instance, with height, having a guanine base instead of a cytosine one in a particular DNA region might correlate with being 0.1 millimeter taller than average.
    Quanta Magazine, 23 Apr. 2019
  • To do so, researchers typically convert a data file’s string of digital 1s and 0s into combinations of the molecule’s four bases: adenine, guanine, cytosine, and thymine.
    Robert F. Service, Science | AAAS, 11 Jan. 2021
  • For the more recent experiments, cooler water and more sensitive study methods were used to extract and identify the nucleobases cytosine and thymine, while more sensitive study methods found the molecules, researchers say.
    Mike Snider, USA TODAY, 28 Apr. 2022
  • Tobacco Doctors already knew that tobacco could cause cancer, but Alexandrov’s work showed how—by preferentially mutating certain bases (such as cytosine) into others (adenine).
    Jacqueline Detwiler, Popular Mechanics, 19 Mar. 2018

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'cytosine.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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