An interdisciplinary area of study in the life sciences with a focus on complex interactions and large networks of biological molecules and processes.

A system is defined as an assembly of mutually interacting components which, based on the dynamics of the interactions, performs specific functions. Therefore one of the main features of systems biology is to understand the input-output characteristics of a biological system by integrating the fields of experimental biology and applied mathematics.

For a basic yet thorough introduction please read Introduction to Systems Biology -by Uri Alon

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