| Compound | Description |
|---|
| diphosphoric acid | |
| hydronium ion | |
| Orthophosphate | |
| uridine | A ribonucleoside in which RIBOSE is linked to URACIL. |
| Water | A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |
| guanosine diphosphate | A guanine nucleotide containing two phosphate groups esterified to the sugar moiety. |
| guanosine triphosphate | Guanosine 5'-(tetrahydrogen triphosphate). A guanine nucleotide containing three phosphate groups esterified to the sugar moiety. |
| uracil | One of four nucleotide bases in the nucleic acid RNA. |
| Uridine Monophosphate | 5'-Uridylic acid. A uracil nucleotide containing one phosphate group esterified to the sugar moiety in the 2', 3' or 5' position. |