Tag: "tenets" at biology news

Wistar study demonstrates heritability of non-genomic information

PHILADELPHIA It's one of the defining tenets of modern biology: The characteristics of a living organism are coded into the organism's DNA, and only information in the DNA can be passed to the organism's offspring. A new study by scientists at The Wistar Institute, however, suggests that this i...

New research questions basic tenet of neuron function

...elease. "These findings question one of the core tenets of synaptic function and reveal significant complexity in organization of synaptic vesicles within individual synapses," said Dr. Ege Kavalali, assistant professor in the Center for Basic Neuroscience and of physiology at UT Southwestern and senior a...

Hydroxycitric acid slows glucose uptake, cuts insulin peaks/valleys a la South Beach Diet

...ion about HCA's potential in diabetes One of the tenets of the successful "South Beach Diet" is to reduce and slow sugar absorption. In his first book, Dr. Arthur Agatston explains: "What we're concerned with here is the speed with which our bodies get at the sugars.If the body experiences a fast infusion...

'Perfume' to lure mosquitoes and control malaria

...in one neuron, a breach of one of the most central tenets in the field of olfaction. The second identified the molecular basis of odor coding in the insect's larval stage. Much of the research was done by graduate students in Carlson's laboratory, five of whom have won awards for their Ph.D. theses in the...

Atomic-resolution structure of a ribozyme yields insights into RNA catalysis and the origins of life

... the "RNA World" hypothesis, is one of the central tenets upon which many theories of the origin of life are now based. Research on the structure and function of RNA enzymes, or ribozymes, has been one of the main activities in the Center for the Molecular Biology of RNA at the University of California, S...

Study details structural changes of a key catalytic enzyme

...induced fit' hypothesis," Wright said. "One of the tenets of that hypothesis is that the binding of ligands induces a structural change that increases the complementary relationship between the ligand and the enzyme." As the study points out, most proteins do not have rigid molecular structures but are str...

ACS News Service Weekly PressPac -- March 28, 2007

...er Chemical & Engineering News One of the basic tenets of biology is that the structure of a protein determines its function, but intrinsically disordered proteins, which are unstructured or contain highly unstructured regions, dont seem to follow this rule. Now, a growing number of researchers are findi...

Rapid evolution of defense genes in plants may produce hybrid incompatibility

One of the basic tenets of evolution is speciation in which populations of the same species become so genetically and morphologically variable that they can be classified as two different species. Individuals of these species may be capable of mating, but they may not pro...

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