How to Use amino acid in a Sentence

amino acid

noun
  • Isoleucine is one of the three branched-chain amino acids (BCAAs).
    — Elizabeth Barnes, Verywell Health, 26 Nov. 2024
  • The amino acid-spiked blend helps those with hair loss, too.
    — ELLE, 24 Dec. 2022
  • Leucine, like valine and isoleucine, is a branched-chain amino acid.
    — Dr. Keith Roach, oregonlive, 28 Nov. 2022
  • And life can get by with only one codon for each amino acid.
    — Sharon Begley, STAT, 1 May 2018
  • Since there are 20 amino acids, this produced a 20-tone scale.
    — Jennifer Ouellette, Ars Technica, 26 June 2019
  • The building blocks of protein are known as amino acids.
    — Maxine Lipner, Verywell Health, 10 Jan. 2025
  • The amino acids missing from beans are found in rice and vice versa.
    — Cynthia Sass, Mph, Rd, Health, 9 Nov. 2023
  • The healthy gene produced a protein with 1,480 amino acid units.
    — Bijal P Trivedi, Discover Magazine, 30 July 2013
  • Protein is made up of amino acids, most of which the body can produce on its own.
    — Chelsea Rae Bourgeois, Rdn, Ld, Health, 21 Jan. 2025
  • Aside from squalane, this lip balm also boasts amino acids.
    — Jacqueline Kilikita, refinery29.com, 21 June 2024
  • There were also traces of an amino acid — glycine — adding weight to the idea that comets could be source of the building blocks of life.
    — The Week Staff, The Week, 1 Oct. 2018
  • Some produce the same amino acid as the normal sequence.
    — Mark Johnson and Kathleen Gallagher, Milwaukee Journal Sentinel, 21 Dec. 2010
  • Rosetta caught whiffs of glycine, one of the amino acid building blocks of proteins.
    — Elise Cutts, WIRED, 22 Dec. 2024
  • Fear of the dark is an arrangement of fifteen amino acids.
    — Hilton Als, The New Yorker, 25 Nov. 2019
  • There are 20 types of amino acids, 11 of which are created within the body.
    — Angelica Bottaro, Verywell Health, 30 Jan. 2025
  • That was true for mutations that changed an amino acid.
    — John Timmer, Ars Technica, 11 June 2022
  • As starchy foods heat up, their sugars and amino acids react.
    — Ben Guarino, Washington Post, 30 Mar. 2018
  • Of the 20 amino acids out there, nine are essential, meaning your body can’t make them.
    — Lauren Manaker, Verywell Health, 1 Aug. 2023
  • It’s also spiked with a multi-amino acid blend to strengthen strands and boost body.
    — Celia Shatzman, The Hollywood Reporter, 22 Feb. 2022
  • So chemists had to alter the hormone’s building blocks — a chain of amino acids — to find a more durable variant.
    — Gina Kolata, New York Times, 17 Aug. 2023
  • Protein rich, these trail MVPs provide all nine amino acids and are easy to throw in the top of any hiking pack.
    — Kade Krichko, Outside Online, 4 July 2025
  • Both versions of the gene encode exactly the same amino acid.
    — John Timmer, Ars Technica, 11 June 2022
  • This letter shows the original amino acid in the protein.
    — Sarah Toy, WSJ, 15 Jan. 2022
  • Green tea is a rich source of the amino acid L-theanine, with tea being the only food source of L-theanine.
    — Amy Fischer M.s., R.d., Good Housekeeping, 8 Nov. 2022
  • Even if a protein powder has adequate amino acids, your body must be able to effectively digest and absorb them.
    — Anna Giorgi, Verywell Health, 3 July 2026
  • Its amino acids help delicate skin around your eyes retain moisture, which adds fullness and eliminates dry patches.
    — Sian Babish, PEOPLE, 1 July 2026
  • Peptides are molecules made up of chains of amino acids, the building blocks of proteins.
    — Aria Bendix, NBC news, 30 June 2026
  • Peptides are a string of amino acids, smaller than a protein, that are produced naturally by our body.
    — Will Stone, NPR, 30 June 2026
  • Creatine is a natural compound made from three amino acids, the building blocks of protein.
    — Emily Cegielski, Flow Space, 29 June 2026
  • It can be written as a string of letters, each representing an amino acid.
    — Kj Dhaliwal, Forbes.com, 26 June 2026

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'amino acid.' 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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