I. Evolution and adaptations Man has an unusual pelvis, a large fetal head, and a complicated mechanism of labour. The evolution of the pelvic girdle, like that of the hind limb, is a story with some chapters still missing. In mammals the pelvis has been modified in... DB Stewart - ...
especially coming out of Hollywood, andespeciallywhere adaptations are concerned. And yes, there have been several times were I’ve hopped on here to deliver a review of something truly atrocious at the level of “Why did they even bother?” where the audience walks away...
In the case of the H168F mutant, the His-318 side chain is rotated around χ1 and χ2 to avoid repulsive interactions. Even for the double mutant H168A/H318A, neither a structural collapse nor conformational adaptations in neighboring side chains are seen, indicating that the pore ...
Lü1, Rongjun Chen2, Stephen L. Brusatte3,Yangxiao Zhu2 & Caizhi Shen1 Oviraptorosaurs are a bizarre group of bird-like theropod dinosaurs, the derived forms of which have shortened, toothless skulls, and which diverged from close relatives by developing peculiar feeding adaptations...
During the past 70 million years, the bacteria underwent extreme adaptations to live within the insects' bodies, losing between an estimated 95 to 97 percent of their genes and resulting in some of the smallest genomes known to any organisms. In the process, they lost the ability to live any...
(animal apoptosis regulators CED4/Apaf-1, plant disease resistance proteins, and bacterial AfsR-like transcription regulators) and NACHT NTPases (e.g. NAIP, TLP1, Het-E-1) that have been studied extensively in the context of apoptosis, pathogen response in animals and plants, and ...
An international group of astronomers has detected an unusual nuclear transient in the nucleus of a weakly active galaxy. The new transient was identified by the OGLE-IV Transient Detection System and received designation OGLE17aaj. The finding is reported in a paper published January 11 on the ...
However, chromatic adaptations in the Arctic marine lipidome remain largely unexplored, and the balances and interactions between lipophilic components, including pigments, in response to spectral irradiance as a function of photon wavelength remain poorly understood. We expect that the lipidome in ...
In particular, large-scale adaptations have occurred in the behaviour of domesticated animals all over the world. One example concerns cattle guards. Ranchers throughout the American West have found that they can save money on cattle guards by using fake ones instead, consisting of st...