A molecular model showing three of the main epigenetic modifications of DNA (orange) and histones (dark blue) [JUAN GAERTNER/Science Photo Library/Getty Images] Post-translational modifications (PTMs) ...
One of the first things that students learn when they enter a biology class is the central dogma: DNA → messenger RNA → proteins. Only about 3% of the human genome directly codes for proteins, which ...
These engineered cells produce a new amino acid that lights up the inner workings of enzymes, allowing researchers to observe biology unfold in real time. A recent Nature Communications study reports ...
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