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.
tarmac noun [U]. âº an âarea of âground âcovered with a hard âsurface, esp. the âareas of an âairport where âaircraft âpark, âland, and take off: The âplane was âdamaged on âlanding when it âslid off the tarmac. (Definition of tarmac from the Cambridge Academic Content Dictionary Â© Cambridge University Press).