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- Ama, CSA, Endocrine, Rupress, Csh, Aacr, Gale, Highwire, Aaas, Proquest, Jstor, Ovid, and Nephrology
Predation risk affects reproductive physiology and demography of elk.
Elk (Cervus elaphus) in the Greater Yellowstone Ecosystem alter patterns of aggregation, habitat selection, vigilance, and foraging in the presence of wolves (Canis lupus). Antipredator behaviors like these can reduce predation risk but are also likely to carry costs. Data from five elk populations...
Welcome to Beringia.
Ecology. Meet the new boss, same as the old boss.
Atmospheric science. Methane on the rise--again.
Genetics. A unified process for neurological disease.
Around the world.
Infectious diseases. Goal of ending AIDS gains traction.
Pest control: biopesticides' potential.
Architecture of an RNA polymerase II transcription pre-initiation complex.
The protein density and arrangement of subunits of a complete, 32-protein, RNA polymerase II (pol II) transcription pre-initiation complex (PIC) were determined by means of cryogenic electron microscopy and a combination of chemical cross-linking and mass spectrometry. The PIC showed a marked divisi...