This diagram depicts the chemical structure of pyrimidine, a six-membered aromatic ring with two nitrogen atoms at positions 1 and 3 (highlighted in blue). The remaining positions are occupied by ...

This image depicts the chemical structure of cytosine. It shows a hexagonal ring with nitrogen atoms at positions 1 and 3, and a primary amine group attached to carbon 4. The two remaining positions ...

RNA is a central biological macromolecule, now widely harnessed in medicine and nanotechnology. Like proteins, RNA function ...

RNAs play an integral part in all kingdoms of life and mediate critical processes from gene regulation to genomic maintenance and protein synthesis. RNAs also have an amazing diversity in structure ...

Scientists have sequenced RNA from a nearly 40,000-year-old woolly mammoth leg, the oldest ancient RNA ever recovered. These ...

Researchers have now uncovered the 3D structure of the RNA enzyme SAMURI. Their study provides insights into the development of ribozymes and the evolution of catalytically active RNA. Researchers led ...

Long before modern humans built cities or carved out farms, woolly mammoths wandered across frozen plains with thick coats and steady steps. Their bones, tusks, and frozen bodies have offered clues to ...

The discovery of a juvenile woolly mammoth named Yuka, found in Siberian permafrost with its skin and muscles intact, has ...

Cedars-Sinai scientists have developed an experimental drug that repairs DNA and serves as a prototype for a new class of medications that fix tissue damage caused by heart attack, inflammatory ...

02 February 2023, Hesse, Marburg: A press spokeswoman points to a plasmid model at the Görzhausen I Biontech site. Photo: Sebastian Christoph Gollnow/dpa (Photo by Sebastian Christoph Gollnow/picture ...