Wordie: A

(n): a linear unit of distance in metric terms

(n): any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes

(n): any vitamin that is soluble in fats

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

(n): a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)

(n): (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA

(n): any of several bases that are derivatives of purine

(n): the basic unit of electric current adopted under the Systeme International d'Unites

(n): a measure of the amount of electric charge flowing past a circuit point at a specific time

(n): the 1st letter of the Roman alphabet

(n): the conventional characters of the alphabet used to represent speech

(n): the blood group whose red cells carry the A antigen

(n): human blood cells (usually just the red blood cells) that have the same antigens

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