942590.fig.005a
(a)
942590.fig.005b
(b)
942590.fig.005c
(c)
942590.fig.005d
(d)
Figure 5: Effect of physical parameters on the growth and optimum protease production by B. circulans MTCC 7942 (a) temperature; (b) pH; (c) agitation; and (d) inoculum.