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Bruce M. Alberts
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BIOGRAPHY

Professor of Biochemistry and Biophysics, University of California, San Francisco. President (1993-2005), National Academy of Sciences, Washington, D.C. Co-author of The Molecular Biology of the Cell.

Primary Contributions (2)
Side-by-side labeled diagrams of a typical animal cell and a plant cell, showing internal structures such as nucleus, mitochondrion, endoplasmic reticulum, and unique features like chloroplasts and cell wall in the plant cell.
Cell theory, fundamental scientific theory of biology according to which cells are held to be the basic units of all living tissues. First proposed by German scientists Theodor Schwann and Matthias Jakob Schleiden in 1838, the theory that all plants and animals are made up of cells marked a great…
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