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 | a support or foundation |
hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells | lowest support of a structure |
the 20th letter of the Roman alphabet | a place that the runner must touch before scoring |
one of the four nucleotides used in building DNA, also known as 5'-thymidylate, thymidylate, or TMP; all four nucleotides have a common phosphate group and a sugar (ribose) | (electronics) the part of a transistor that separates the emitter from the collector |
a base found in DNA (but not in RNA) and derived from pyrimidine; pairs with adenine | installation from which a military force initiates operations |
| a flat bottom on which something is intended to sit |
| the stock of basic facilities and capital equipment needed for the functioning of a country or area |
| the principal ingredient of a mixture |
| the fundamental assumptions from which something is begun or developed or calculated or explained |
| (linguistics) the form of a word after all affixes are removed |
| a lower limit |
| (anatomy) the part of an organ nearest its point of attachment |
| the place where you are stationed and from which missions start and end |
| the bottom or lowest part |
| (numeration system) the positive integer that is equivalent to one in the next higher counting place |
| the most important or necessary part of something |
| the bottom side of a geometric figure from which the altitude can be constructed |
| any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water |
| a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA) |