The most promising approaches treat the brain as a biological computer, very different in mechanism from electronic computers, but similar in the sense that it acquires information from the surrounding world, stores it, and processes it in a variety of ways.

Bistability can only arise in biological and chemical systems if three necessary conditions are fulfilled: positive feedback, a mechanism to filter out small stimuli and a mechanism to prevent explosions.

The solubility pump is the primary mechanism driving this, with the biological pump playing a negligible role.

The biological mechanism ( s ) of the action of general anaesthetics are not well understood.

Human sexual activity has sociological, cognitive, emotional, behavioral and biological aspects, including physiological processes such as the reproductive mechanism, the sex drive and pathology ; sexual intercourse and sexual behavior in all its forms ; and personal bonding and shared emotions during sexual activity.

The greatest change was the widespread acceptance of evolution as the mechanism of biological diversity and species formation, following the 1859 publication of Charles Darwin's On the Origin of Species.

Not much is known about the underlying biological mechanisms of long-term memory, but the process of long-term potentiation, which involves a physical change in the structure of neurons, has been proposed as the mechanism by which short-term memories move into long-term storage.

The biological mechanism by which mania occurs is not yet known.

The biological aspect of sexuality refers to the reproductive mechanism as well as the basic biological drive, Libido, that exists in all species, which is hormonally controlled.

The mechanism of freezing damage in living biological tissues has been elucidated by Renfret ( 1968 ) ( Renfret A. P.

Both groups also share a common skin-shedding mechanism ( ecdysis ) and molecular biological similarities.

Decreased vitamin D production and intake has been the main biological mechanism used to explain the higher risk among those less exposed to sun.

Knockouts organisms are also used as screening tools in the development of drugs, to target specific biological processes or deficiencies by using a specific knockout, or to understand the mechanism of action of a drug by using a library of knockout organisms spanning the entire genome, such as in Saccharomyces cerevisiae.

This is the only model to date that provides biological cells with a mechanism capable of pre-stressing flexible, membrane-associated protein networks, which is absent from Glanz & Ingbers ' exclusively protein-based models of cellular “ Tensegrity ” structures.

Geological SSSIs are selected by a different mechanism to biological SSSIs, with a minimalistic system selecting one site for each geological feature in Great Britain.

The biological significance of fibronectin in vivo was studied during the mechanism of wound healing.

Parthenogenesis has been hypothesized as a possible biological mechanism for the virgin birth of Jesus.

This is biologically identified as a normal, healthy stress mechanism in response to a situation or stressor – a biological coping mechanism for a threat to homeostasis.

The idea behind using octopamine analogues to augment biological control is that natural enemies will be more effective in their eradication of the pest, since the pest will be behaving in an unnatural way because its flight-or-fight mechanism has been activated.

It is a biological mechanism that changes an antibody from one class to another, for example, from an isotype called IgM to an isotype called IgG.

Moreover, given that culture is seen as the primary adaptive mechanism of humans and takes place much faster than human biological evolution, most cultural change can be viewed as culture adapting to itself.

A recent study on radiation exposure by the AEC's division of biology and medicine stated: `` The question of the biological effect of ( radiation ) doses is not considered '' herein.

Among the specific areas of concentration in which the staff is engaged, are such projects as biological and biochemical studies of the effects of microwaves ; ;

The behavior of a biological aerosol, on a much smaller scale, is illustrated by a specific field trial conducted with a non-pathogenic organism.

If it is possible for an enemy to put an atomic bomb on a city, it should be equally possible to put a cloud of biological agent over that city.

The inhibition of the enzyme by very low concentrations of lanthanum ion is probably the strongest known biological effect of rare earth salts.

In the United States, where anthropology was first defined as a discipline, the field is traditionally divided into four sub-fields: cultural anthropology, archaeology, linguistic anthropology, and biological anthropology.

In the United States, anthropology is traditionally divided into five sub-fields, each with additional branches: biological or physical anthropology, social anthropology or cultural anthropology, archaeology and anthropological linguistics.

The relative biological effectiveness ( RBE ) of alpha radiation is higher than that of beta or gamma radiation.

Alfonso's biological paternity is uncertain: there is speculation that his biological father may have been Enrique Puig y Moltó ( a captain of the guard ), or even an American dental student.

A ballistic missile is used to deliver nuclear, chemical, biological or conventional warheads in a ballistic flight trajectory.

Another classification system is based on biological activity ; in this classification, antibacterials are divided into two broad groups according to their biological effect on microorganisms: bactericidal agents kill bacteria, and bacteriostatic agents slow down or stall bacterial growth.

The visualization of single molecules, single cells, biological tissues and nanomaterials is an important and attractive approach in analytical science.

Much effort is also put into analyzing biological systems.

The Ames test is a biological assay to assess the mutagenic potential of chemical compounds.

NASA's bioreactor is an extremely advanced biological sewage system.

A big disadvantage of complex biological sewage treatment systems is that if the house is empty, the sewage system biota may starve to death.

She is the head of a research group, which is located in the Weatherall Institute of Molecular Medicine and working on a wide range of biological disciplines encompassing molecular biology, biochemistry, cellular immunology and intracellular neurophysiology.

The major biological source of sulfur containing compounds is dimethyl sulfide.

The hydroxyl radical is particularly unstable and will react rapidly and non-specifically with most biological molecules.

Notably, Behe credits philosopher William Paley for the original concept, not von Bertalanffy, and suggests that his application of the concept to biological systems is entirely original.

" Biogenic substances are chemical compounds produced entirely by biological processes without a geological component ( e. g., urinary calculi, oxalate crystals in plant tissues, shells of marine molluscs, etc.

There are differences of opinion as to whether observed differences in behavior and personality between genders are entirely due to cultural or social factors, and are therefore the product of socialization, or to what extent gender differences are due to biological and physiological differences.

There are differences of opinion as to which observed differences in behavior and personality between genders are entirely due to innate personality of the person and which are due to cultural or social factors, and are therefore the product of socialization, or to what extent gender differences are due to biological and physiological differences.

An extreme variant of biological determinism might assert that an organism's behavior is determined entirely by biological factors, and that all of these factors are innate to that organism e. g. DNA.

Although not fully expressed in any character of the film, Castle ultimately presents the audience with the concept of fully supplanting one's biological brain with an entirely synthetic one.

However an entirely different type of mounting is done for Electron_microscope # Sample_preparation which can be for biological or nonbiological materials and is further subdivided into " hot "( compressive ) and " cold " ( castable ) type mounting processes.

It was thus entirely dependent on its own biological fertility.

In the former treatise he discussed the influence of climate and of the nature and depth of the sea bottom upon marine life, and divided the Aegean into eight biological zones ; his conclusions with respect to bathymetrical distribution, however – namely his azoic hypothesis, stating that the realms beyond 300 fathom are entirely devoid of life – have naturally been modified to a considerable extent by the more recent explorations of the deep seas.

In his talk, Miramontes used the term " in silico " to characterize biological experiments carried out entirely in a computer.

The causes of autism are contested and could result from a variety of factors that are genetic, biological, or environmental in nature ; the shift is that the basis of autism is no longer believed to be entirely social.

SEAgel is also completely biodegradable, as it is made entirely of biological material and can even be eaten.

This can range from ships that are entirely biological ( possibly even sapient ) life forms, to more traditional spacecrafts that merely incorporate some biological parts as an integral part of their design, and anything in between.