Betekenis van:
a

a
Zelfstandig naamwoord
  • de eerste letter van ons alfabet
  • the blood group whose red cells carry the A antigen

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a
Zelfstandig naamwoord
    • the basic unit of electric current adopted under the Systeme International d'Unites
    "a typical household circuit carries 15 to 50 amps"

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    a
    Zelfstandig naamwoord
    • a
    • the blood group whose red cells carry the A antigen

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    a
    Zelfstandig naamwoord
      • a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation

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      a
      Zelfstandig naamwoord
        • one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)

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        a
        Zelfstandig naamwoord
          • any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes

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          a
          Zelfstandig naamwoord
            • the 1st letter of the Roman alphabet

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            a
            Zelfstandig naamwoord
              • (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA

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