You could never simply generate a cell by having the right parts present. You also need a properly shaped cytoskeleton that can arrange those parts in a manner that allows reactions and pathways to proceed in a manner that keeps the cell alive.
Of course the parts are needed — they are necessary, but not sufficient for a living cell. Some organization apart from those parts is also needed. Thus, what this article nicely points out is that the parts must also be organized properly into a physical arrangement where the "physical structure of cytoplasm" ensures that the right molecules find one-another to foster cellular reactions that the cell needs.
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