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Latest M. Celeste Simon Stories

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2005-06-07 18:15:00

Researchers have produced the strongest evidence yet that mitochondria — the organelles that generate energy to power the cell — also monitor oxygen concentration in the cell. If oxygen slips below a critical threshold, the mitochondrial “sensor” triggers protective responses to promote survival.


Word of the Day
donative
  • A gift; a largess; a gratuity; a present; a dole.
The word 'donative' comes from a Latin word meaning 'to give'.
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