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The dicer enzyme (blue) in complex with TRBP (violet) and precursor-microRNA (red). Dicer processes pre-microRNA to microRNA, which regulates gene transcription.
androstenediol molecule, structural chemical formula, ball-and-stick model, isolated image endogenous androgen
Polymer precursor writting on blue background.
APP acronym.APP (Amyloid Precursor Protein) is involved in Alzheimer’s disease through amyloid plaque formation.
Rising tide precursor to falling rain

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Two cumulus clouds high in the sky before a late-afternoon stormImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/two-cumulus-clouds-high-sky-lateafternoon-1387319">Image used under license from Freestock.com</a>
Cumulonimbus clouds before a stormImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/cumulonimbus-clouds-storm-1376336">Image used under license from Freestock.com</a>
One open window among many closed windows on side of campus buildingImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/open-window-closed-windows-side-campus-2500413">Image used under license from Freestock.com</a>

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