TABLE 2.

Regression coefficients and P values (probabilities) for the response surface models

Parameter	E. coli		S. cerevisiae
	Coefficient	P value	Coefficient	P value
Constant	10.66		−6.66
P	−3.84	0.005	3.96	0
t	−0.023	0.07	0.016	0.01
P2	0.28	0.48	−0.6	0.02
t2	0.00005	0.18	−0.00001	0.57
Pt	−0.001	0.84	−0.0046	0.09