منابع مشابه
Chirality- and sequence-selective successive self-sorting via specific homo- and complementary-duplex formations
Self-recognition and self-discrimination within complex mixtures are of fundamental importance in biological systems, which entirely rely on the preprogrammed monomer sequences and homochirality of biological macromolecules. Here we report artificial chirality- and sequence-selective successive self-sorting of chiral dimeric strands bearing carboxylic acid or amidine groups joined by chiral ami...
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A socio-evolutionary theory of the origin of “God” is presented. Its starting point is behavioral duplexity, the fact that human beings are subject to two parallel modes of behavioral control: an older non-conscious system and a newer conscious one. The theory posits that the fabrication of, and subsequent belief in, supernatural entities (“Gods”) is a predictable byproduct of the interaction o...
متن کاملAssembly of an antiparallel homo-adenine DNA duplex by small-molecule binding.
Molecules that reversibly bind DNA and trigger the formation of non-Watson-Crick secondary structures would be useful in the design of dynamic DNA nanostructures and as potential leads for new therapeutic agents. We demonstrate that coralyne, a small crescent-shaped molecule, promotes the formation of a duplex secondary structure from homo-adenine oligonucleotides. AFM studies reveal that the s...
متن کاملHomo Socialis and Homo Sapiens
The assumption that individuals are behaving rationally can, at times, usefully constrain predictions of individual and collective behavior. However, success in predicting human and group behavior will often require relaxing this assumption of rationality, instead employing evolutionary, neural, and cognitive constraints. One particularly important form of neural and cognitive constraint is tha...
متن کاملHomo floresiensis: microcephalic, pygmoid, Australopithecus, or Homo?
The remarkable partial adult skeleton (LB1) excavated from Liang Bua cave on the island of Flores, Indonesia, has been attributed to a new species, Homo floresiensis, based upon a unique mosaic of primitive and derived features compared to any other hominin. The announcement precipitated widespread interest, and attention quickly focused on its possible affinities. LB1 is a small-bodied hominin...
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ژورنال
عنوان ژورنال: Gesnerus
سال: 1985
ISSN: 0016-9161,2297-7953
DOI: 10.1163/22977953-0420304004