How protein component that enables cell replication gets ferried to chromosome tips
Thursday, August 2, 2012 - 14:01
in Biology & Nature
Stem cells are special. Nestled in muscle and skin, organ and bone, they bide their time over years or decades until called to replace damaged or lost tissue. One secret to their longevity is an enzyme called telomerase, which stills the relentless ticking of the molecular clock that limits the life span of other cells.