from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A nucleotide composed of guanine, ribose, and three linked phosphate groups. It is incorporated into the growing RNA chain during synthesis of RNA and used as a source of energy during synthesis of proteins.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- guanosine triphosphate
g(uanosine) t(ri)p(hosphate).(American Heritage® Dictionary of the English Language, Fourth Edition)