Definition: A fractionated cell extract that maintains a biological function. A subcellular fraction isolated by ultracentrifugation or other separation techniques must first be isolated so that a process can be studied free from all of the complex side reactions that occur in a cell. The cell-free system is therefore widely used in cell biology. (From Alberts et al., Molecular Biology of the Cell, 2d ed, p166)
for study of subcellular fractions; not for micro-organisms; NIM; use A 11 qualif discreetly
Other names Systems, Cellfree; Systems, Cell-Free; System, Cellfree; System, Cell-Free; Cellfree Systems; Cell-Free Systems; Cell Free System; Cellfree System
