Related words. 1  key adjective. 2  key verb. 3  key in phrasal verb. 4  key to phrasal verb. 5  Alt key noun. 6  hot key noun. 7  low-key adjective. 8  off-key adjective, adverb. 9  tab key noun. 10  Allen key noun. 11  arrow key noun. 12  enter key noun. 13  key card noun. 14  key ring noun. 15  pass key noun. 16  pound key noun. 17  shift key noun. 18  star key noun. 19  command key noun. 20  control key noun.
Lesson Summary. ATP, or adenosine triphosphate, is a high-energy molecule that is found floating in the cytoplasm of every cell. It's a three-part molecule that has a phosphate group.
Adenosine-5'-triphosphate (ATP) is a multifunctional nucleotide, and is most important in cell biology as a coenzyme that is the molecular unit of currency of intracellular energy transfer.[1] In this role, ATP transports chemical energy within cells for metabolism.denosine-5'-triphosphate (ATP) is a multifunctional nucleotide, and is most important in cell biology as a coenzyme that is the molecular unit of currency of intracellular energy transfer.[1] In this role, ATP transports chemical energy within cells for metabolism.