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Decoding the cell's genetic filing system

A fully extended strand of human DNA measures about five feet in length. Yet it occupies a space just one-tenth of a cell by wrapping itself around histones—spool-like proteins—to form a dense hub of ...

dateApr 22, 2015 in Biochemistry
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Rafts on the cell membrane

Tiny structures made of lipid molecules and proteins have been believed to wander within the membrane of a cell, much like rafts on the water. This "raft hypothesis" has been widely accepted, but now scientists ...

dateApr 21, 2015 in Cell & Microbiology
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