Table 5. Ratios of NTP/dNTP in actively dividing (log) and quiescent (24 and 48 h) mouse Balb/3T3 fibroblasts. Quiescence was achieved by serum starvation for 24 or 48 h.

	CTP/dCTP	UTP/dTTP	ATP/dATP	GTP/dGTP
Log	28	45	169	85
24 h	74	160	1173	483
48 h	75	204	1150	870