A study in fruit flies suggests an internal genomic arms race may be driving rapid evolution in proteins that still perform an essential, unchanging job: protecting chromosome ends.
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Signs you’re low on vitamin B12
By Enyeribe EjioguVitamin B12, known by the chemical name cobalamin, is a crucial water-soluble vitamin, which is vital for healthy nerve cells, formation of red blood cells, and the synthesis of DNA.
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