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Showing results 21-23 of 23 for 'Enzymes'

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    A Century-Old Model for the Origin of Life Gets Significant Substantiation

    In 1924, Russian biochemist Alexander Oparin claimed that life on Earth developed through gradual chemical changes of organic molecules in the “primordial soup” that likely existed here four billion years ago. In his view, the complex combination of lifeless molecules, joining forces within small oily droplets, could assume life faculties – self-replication, selection, and evolution. These ideas were received with considerable doubt, which remains today.

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    Repairing DNA, Fighting Cancer

    Our genetic material – DNA – is under constant assault. It is damaged every day by external forces like sunlight, radiation, tobacco smoke, air pollution, and food additives, and internal ones like waste products left over from the body’s metabolic processes.