(n): any of several basic compounds derived from pyrimidine
(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): a unit of weight equivalent to 1000 kilograms
(n): a decimal unit of weight based on the gram
(n): the 20th letter of the Roman alphabet
(n): the conventional characters of the alphabet used to represent speech
(n): thyroid hormone similar to thyroxine but with one less iodine atom per molecule and produced in smaller quantity; exerts the same biological effects as thyroxine but is more potent and briefer
(n): any of several closely related compounds that are produced by the thyroid gland and are active metabolically
(n): hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells
(n): any of several closely related compounds that are produced by the thyroid gland and are active metabolically
