"Over the last half century, we have proceeded by breaking living systems down into the smallest components, the individual genes and molecules. Humpty-Dumpty has been smashed into billions of fragments. This is an impressive achievement. … We know a lot how about molecular mechanisms. Well the challenge is to extend that knowledge up the scale. How do we use it to throw light on the processes that govern entire living systems? That is not an easy question. … can we put Humpty-Dumpty back together again? That is where systems biology comes in. This is a new and important dimension of biological science, though it has strong historical roots in classical biology and physiology going back over a century. … Now, we are ready to ask some bigger questions. These are about systems. At each level of the organism, its various components are embedded in an integrated network or system. Each such system has its own logic. It is not possible to understand that logic merely by investigating the properties of the system’s components."

Slots and Values
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ref	Intro