KEY TO ABBREVIATIONS A260 absorbancy at 260 nm A280 absorbancy at 280 nm AMP adenosine monophosphate ATP adenosine triphosphate ATPase adenosine triphosphatase BGP- 1 the first peak of tridium labeled material eluted from Biogel P-4 column BGP- 2 the second peak of tridium labeled material eluted from Biogel P-4 column BSA bovine serum albumin CAP catabolite gene-activator protein CDP-diglyceride cytidine diphosphate diglyceride CMP cytidine monophosphate CpC cytidylyl (3' 5) cytidine cpm counts per minute CTP cytidine triphosphate dCTP deoxycytidine triphosphate cyclic AMP adenosine 3' : 5'-cyclic monophosphoric acid DEAE diethylaminoethane DNA deoxyribonucleic acid DNase deoxyribonuclease (EC 3.1.4.5) dpm disintegrations per minute DTT dithiothreitol viii