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1. A unit of weight equivalent to 1000 kilograms
   - metric ton, MT, tonne
    
2. The 20th letter of the Roman alphabet
   - T

1. One of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
   - deoxythymidine monophosphate
    
2. A base found in DNA (but not in RNA) and derived from pyrimidine; pairs with adenine
   - thymine
    
3. Hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells
   "T is 65% iodine"
   - thyroxine, thyroxin, tetraiodothyronine
    
4. 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
   - triiodothyronine, liothyronine

Derived forms: ts, Ts

Type of: alphabetic character, base, letter, letter of the alphabet, metric weight unit, nucleotide, pyrimidine, thyroid hormone, weight unit

Part of: deoxyribonucleic acid, desoxyribonucleic acid, DNA, Latin alphabet, Roman alphabet

Encyclopedia: T T, mobile T,FTFY