Word: precursors
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...William F. Weld '66 last week declared his support of the ruling, in what some see as a precursor to legalized gay marriages in Massachusetts...
Rapoport said his interest in the subject began more than 20 years ago when he was studying preinsulin, a precursor of the hormone insulin...
...found that preinsulin had another precursor, prepreinsulin, which like other proteins has a signal sequence that triggers secretion or transport across the membrane...
...human beings, the sea change in aging has been a long time in coming. In the past decade or two, there has been an explosion in new therapies designed to slow the senescence process--from melatonin to antioxidants to hormone-replacement therapy to the intriguing hormonal precursor DHEA...
...moment telomerase was discovered," says Hayflick, "it was clear that for immortal cells at least, this was a way to circumvent the inevitability of aging and dying." Telomerase has now been found in the precursor cells that give rise to human eggs, in the stem cells that give rise to blood cells and in up to 95% of cancer cells...