Several studies had already pinned some of the visible abnormalities in clones on the absence of vital molecules that turn gene expression on and off during fetal development. (discovermagazine.com)
Free radicals are responsible for the breaking down of various vital molecules, leading to cell damage and signs of premature aging. (hairlossrevolution.com)
She was suggesting that Europa's ocean was not its only source of liquid water; the moon also harbored hidden lakes far closer to vital molecules on the surface, perhaps close enough to support miniature habitable ecosystems. (discovermagazine.com)