ON THE FRACTAL NATURE OF CYTOPLASM

On the basis of a quantification of the fractal dimension, D, in micro graphs of cytoskeleton components or microtrabecular lattice, we propo se that the cellular cytoplasm can be described as a percolation clust er, a sort of 'random fractal'. Our hypothesis deals with: (i) the exi stence of the percolation threshold - a remarkable property of percola tion processes; and (ii) the reactivity increase - when enzymes, or ta rgets, and substrates, or effecters, coexist in the same topological d imension.