PerspectiveSystems Biology

Life's Complexity Pyramid

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Science  25 Oct 2002:
Vol. 298, Issue 5594, pp. 763-764
DOI: 10.1126/science.1078563

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How are the myriad components inside the cell connected together, enabling the cell to carry out its specific functions? In their Perspective, Oltvai and Barabási discuss two new studies (Lee et al., Milo et al.) that investigate both biological networks of intracellular components and nonbiological networks such as the World Wide Web. They explain that all networks seem to be organized according to the same distinct principles.