Figure 3b:
Bifurcation plots for enzyme catalysis with substrate activation. At their fixed levels, the parameters are k
1
=0.01 (varied in top graph), k
2
=0.1 (varied in middle graph), k
3
=14.3, k
4
=1, k
5
=0.1 (varied in bottom graph), E
total
=0.5.
