Information Technology Reference
In-Depth Information
Fig. 3.15
Biregulation
Fig. 3.16
Antiregulation
Mechanisms of
cisregulation
and
transregulation
(Figs. 3.17, 3.18) concern
backward and forward relationships, respectively, between regulation and reaction
composition.
Fig. 3.17
Cisregulation
Fig. 3.18
Transregulation
Self-regulation is a basic mechanism, similar but different from autocatalysis,
where a substance promotes (or inhibits) its production, or its consumption. For
example, in almost all growth phenomena the bigger is the population, the faster is
its growth rate. For example, a commercial product is sold in a bigger quantity when
there is a greater production of it (making it cheaper), and analogously, the more it
is sold, the more it is produced. Negative self-regulation occurs when a substance
provides an inhibition of its production or an inhibition of its consumption.
