In all living organisms, Coenzyme A is synthesized in a five-step process that requires four molecules of ATP, from pantothenate and cysteine: 1  Pantothenate (vitamin B5) is phosphorylated to 4'-phosphopantothenate by the enzyme pantothenate kinase (PanK; CoaA; CoaX)
Origin: From TARDIS, the time machine in British science-fiction TV programme Doctor Who. Freebase(0.00 / 0 votes)Rate this definition: The TARDIS is a time machine and spacecraft in the British science fiction television programme Doctor Who and its associated spin-offs. A TARDIS is a product of the advanced technology of the Time Lords, an extraterrestrial civilisation to which the programme's central character, the Doctor, belongs.
Definition: Tartar is the hardened product of longstanding plaque accumulating minerals from the saliva and foods. Plaque is the soft accummulation of food debris and bacteria around teeth. These bacteria feed on left over food in the mouth to excrete toxins that irritate the gums and dissolve the bone. \Tartar\, n. 2  1. [Per. 3  T[=a]t[=a]r, of Tartar origin.] A native or inhabitant of Tartary in Asia; a member of any one of numerous tribes, chiefly Moslem, of Turkish origin, inhabiting the Russian Europe; -- written also, more correctly but less usually, {Tatar}.