cell free system
Any system in which a normal cellular reaction is reconstituted in the absence of cells - for example, in vitro translation systems that will synthesize protein from mRNA using a lysate of rabbit reticulocytes or wheat-germ.

Dictionary of molecular biology. 2004.

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  • Cell-free system — A cell free system is a widely used in vitro tool used to study biological reactions that happen within a cell with less of the complex interactions found in a whole cell.Subcellular fractions can be isolated by ultracentrifugation, providing… …   Wikipedia

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  • cell-free extract — see under system …   Medical dictionary

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  • Cell signaling — is part of a complex system of communication that governs basic cellular activities and coordinates cell actions. [Witzany, G. (2000). Life: The Communicative Structure. Norderstedt, Libri BoD.] The ability of cells to perceive and correctly… …   Wikipedia

  • Cell culture — in a Petri dish Epithelial cells in culture, stained for keratin (red) an …   Wikipedia

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