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Science 9 March 2007:
Vol. 315. no. 5817, pp. 1374 - 1375
DOI: 10.1126/science.1140759
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Perspectives

CELL BIOLOGY:
What a Cell Should Know (But May Not)

Ted Weinert

Normal yeast cells may not know whether DNA replication is complete before starting mitosis. How does the cell cycle progress in an orderly manner?

The author is in the Department of Molecular and Cellular Biology, University of Arizona, Tucson, AZ 85721, USA. E-mail: tweinert{at}email.arizona.edu

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Science. ISSN 0036-8075 (print), 1095-9203 (online)