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Maxwell's Demon/Monod: Solution: he must consume a certain energy for his differentiation activity himself.
This is one of the sources for modern ideas about the equivalence between information and negative entropy.
Proteins/Monod: proteins fulfill their "demonic function" thanks to their ability to form, together with other molecules, non-covalent, stereospecific complexes.
Zufall und Notwendigkeit Hamburg 1982