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- Search Terms:ISSN: 00280836AndISSN: 14764687AndVolume Number: 454AndIssue Number: 7200AndStart Page: 37AndDate: 2008 Revise Search
- 1From: Nature. (Vol. 454, Issue 7200) Peer-ReviewedIf the first cells were simple vesicles, how did nutrients cross their membranes without help from transport proteins? A model of a primitive cell suggests that early membranes were surprisingly permeable. Origins of...