Saturday, December 29, 2012

Origin of life: Hypothesis traces first protocells back to emergence of cell membrane bioenergetics

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why all life as we know it conserves energy in the peculiar form of ion gradients across membranes.

"Life is, in effect, a side-reaction of an energy-harnessing reaction.

Living organisms require vast amounts of energy to go on living," said Nick Lane.

Humans consume more than a kilogram (more than 700 litres) of oxygen every day, exhaling it as carbon dioxide.

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