Converging sciences and technologies plus multi-level study and integration, in biology combining information technology and biotechnology. In biology: All the elements in the biological system being studied are defined (as the genome and proteome projects are doing). Then the system is perturbed in an attempt to discover the relationships of the elements to one another. Finally, systems approaches integrate diverse measurements and data to enable graphical displays and computational models that describe structure and function. [Leroy Hood]

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