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2013-02-25 10:43:41

Protein uses multiple means to help cells cope when oxygen runs low A protein known for turning on genes to help cells survive low-oxygen conditions also slows down the copying of new DNA strands, thus shutting down the growth of new cells, Johns Hopkins researchers report. Their discovery has wide-ranging implications, they say, given the importance of this copying – known as DNA replication – and new cell growth to many of the body's functions and in such diseases as cancer....


Word of the Day
bibliopole
  • A bookseller; now, especially, a dealer in rare and curious books.
This word comes from a Greek phrase meaning 'book seller.'
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