Artificial life
... and a NASA group called the Self-Replicating
systems Concept Team performed a 1980 study on the ...
Artificial life is the study of artificial
systems that exhibit behavior characteristic of natural ... to the emerging field of complex adaptive
systems , working at the Center for Nonlinear Studies (a ...
Biology
... in that it does not usually describe biological
systems in terms of objects which obey immutable physical ... environment . One of the reasons that biological
systems can be difficult to study is that there are so ... the interactions between the various
systems of a cell, including the interrelationship of ...
Bioinformatics
... in computational biology often overlaps with
systems biology . Major research efforts in the field ... Structure prediction
2.4 Modeling biological
systems
2.5 Other applications
3 Software ... also structural motif .
Modeling biological
systems
Main article: ...
Biophysics
... biologists attempt to elucidate the complex
systems of interactions that give rise to the processes ... and quantum mechanics ) to larger
systems such as tissues or organs (hence the inclusion of ... assemblies
spectroscopy , imaging etc.
systems neuroscience
neural encoding
bionics
...
Brain
...
Computer scientists have produced computer
systems called neural networks that are loosely based ... tools of chaos theory and dynamical
systems .
Interfacing brains with machines
The ... it is relatively small.
Vertebrate nervous
systems are distinguished by encephalization and ...
Chromatography
... chromatographic system. In continuous development
systems like HPLC or GC, where the compounds are eluted ... and detection. In interrupted development
systems like TLC the retention is measured as the ... chromatography (HPLC)
Modern HPLC
systems are highly automated
High performance liquid ...
Bioinformatics
... in computational biology often overlaps with
systems biology . Major research efforts in the field ... Structure prediction
2.4 Modeling biological
systems
2.5 Other applications
3 Software ... also structural motif .
Modeling biological
systems
Main article: ...
Computed axial tomography
... to produce the images. Modern multi-detector CT
systems can complete a scan of the chest in less time ... the gantry.
Newer machines with faster computer
systems and newer software strategies can process not ... helical or spiral CT machines. Their computer
systems integrate the data of the moving individual ...
Evolution
... theory
4.1 Evolution and ethical
systems
4.2 Evolution and religion
5 ... particularly RNA , and the behavior of complex
systems .
Though the origins of life are murky, other ... , or herpetology but use those organisms as
systems to answer general questions in evolution.
...
Flagellum
... to components of the type III secretion
systems , but the components of bacterial and archaeal ... assembled through the action of type II secretion
systems (the nomenclature of pili and protein secretion
systems is not consistent).
These differences mean ...
Homeostasis
... ecological , biological , and social
systems are homeostatic. They oppose change to maintain ... lead the system to stop functioning.
Complex
systems , such as a human body, must have homeostasis to maintain stability and to survive. These
systems do not only have to endure to survive; they must ...
Human
... Human habitation within closed ecological
systems in hostile environments ( Antarctica , outer ... and ethnicities .
The invention of writing
systems some 5000 years ago , allowing the preservation ... art , literature , lifestyles , value
systems , traditions , rituals , and beliefs .
One ...
Immune system
... intersection between innate and adaptive immune
systems
3 Disorders of the human immune system ... disorders arise from failures of discriminatory
systems (see Immune System#Disorders of the human immune ... immunity and many of the mechanisms between the
systems are common, so it not always possible to draw a ...
Nervous system
...
1 Anatomy
2 Vertebrate nervous
systems
3 Nervous system diversity
4 See also ... across synapses .
Vertebrate nervous
systems
The nervous
systems of vertebrate animals are often divided into a ...
Origin of life
... polymers. It is therefore hypothesized that such
systems may be able to evolve into autocatalytic sets ... solutions are heated. Other possibilities include
systems of chemical reactions taking place within clay ... clues as to how life originates.
Complex
systems
See also
Category:Origin of life
...
Reverse genetics
... the genome.
While RNA interference relies on
systems within the cell for efficacy (e.g. the dicer ... oligos. While RNAi acts by directing cellular
systems to degrade target messenger RNA (mRNA), ... mRNA degradation. Morpholinos are effective is
systems ranging in complexity from cell-free translation ...
Blood type
... 1%
Other blood types
Other blood type
systems exist to describe the presence or absence of ... East Asians and Native Americans .
MNS
systems gives blood types of M, N, and MN. It has use in ... system describes a set of 21 antigens.
Other
systems include Colton , Kell , Kidd , Lewis , ...
Skeleton
... may also acquire skeletons.)
Skeletal
systems are commonly divided into three types - external ... skeleton ), though hydrostatic skeletal
systems may be classified separately from the other two ... support structures.
Large external skeletal
systems support proportionally less weight than ...
Systems biology
...
systems biology is an academic field that seeks to ... data as an attempt to understand how biological
systems function. By studying the relationships and ... (e.g. organelles , cells , physiological
systems , organisms etc.) it is hoped that eventually ...
Cell growth
...
1.2 Cell size regulation in mammals
1.3 Other experimental
systems for the study of cell size regulation
2 Cell reproduction
... so most human neurons are releatively small.
h
Other experimental
systems for the study of cell size regulation
One common means to produce very ...
Culture
... not been complicated and corrupted by the highly-stratified capitalist
systems of the West.
Today most social scientists reject the monadic ... and encode and communicate them symbolically . Since these symbolic
systems were learned and taught, they began to develop independently of biological ...
Diabetes mellitus
... major risks of the disorder are chronic problems affecting multiple organ
systems which will eventually arise in patients with poor glycemic control. Many ... if only economically. Diabetes is enormously expensive for healthcare
systems and governments. In North America, it is the largest single non-traumatic ...
Digital organism
...
Contents showTocToggle("show","hide")
1 History
2
systems for digital organisms research
3 External links
4 Further ... and the Proceedings of the National Academy of Sciences (USA).
systems for digital organisms research
Amoeba
Avida
Core world
...
Escherichia coli
... The Presence of Coliform Bacteria in Canadian Pulp and Paper Mill Water
systems - a Cause for Concern? - by Dr. F. Archibald (abstract only)
Coliform Bacteria and Nitrogen Fixation in Pulp and Paper Mill Effluent Treatment
systems - by Dr. F. Archibald (full text)
Investigation of a UK outbreak by ...
Cold-blooded
... important chemical reaction, poikilotherms may have four to ten enzyme
systems that operate at different temperatures. As a result, poikilotherms often ... poikilothermic animals do not easily support complex, high-energy organ
systems such as brains or wings. Some of the most complex adaptations known ...
Free energy
... ways. For instance, in chemistry one is usually concerned with fluid
systems at constant temperature, undergoing chemical reaction in closed containers ... the Gibbs free energy . Physicists carry out more abstract analysis of
systems which are not necessarily fluid. In that context, the Helmholtz free ...
Gene regulatory network
... for each gene "node", to assist in modeling behaviour of a cell (see
systems biology ).
Mathematical models of GRNs have been developed to allow ... results with time series observations.
See also
Operon
systems biology
Bibliography
James M. Bower, Hamid Bolouri (editors), ...
Immunology
... immunology. This includes the immunological function of cells, organs and
systems not normally associated with immune system, as well as the function of the ... , while not possessing true adaptive immunity, show highly evolved
systems of innate immunity, and are additionally protected from external injury ...
Isozyme
... microsatellites ), they are still amongst the quickest and cheapest marker
systems to develop, and remain (as of 2005 ) an excellent choice for projects ... need to identify low levels of genetic variation, e.g. quantifying mating
systems .
References
Hunter, R. L. and C.L. Merkert. (1957) ...
Neuroscience
... subsystems like that which subserves visual perception , up to large
systems like the cerebral cortex or the cerebellum , and at the highest level ... and the zebrafish Danio rerio .
Cognitive neuroscience and
systems neuroscience - These two fields are interested in explaining the link ...
Osmoregulation
...
4 Osmoregulation in protoctists and animals
5 Vertebrate excretory
systems
5.1 Waste products of nitrogen metabolism
5.2 How osmoregulation ... water excreted through the excretory system .
Vertebrate excretory
systems
Waste products of nitrogen metabolism
Ammonia is a toxic by-product ...
Replication
... Patent #
4432057). This is especially true in a multiplicity of computer
systems (multiprocessors).
Storage or backup of the same data on multiple file
systems is an example for replication. Database replication is implemented, for ...
Vestibular system
...
1 Semicircular canals
1.1 Push-pull
systems
1.2 Vestibulo-ocular reflex (VOR)
1.3 Mechanics
1.4 Central ... to as
lateral , superior , and inferior , respectively.)
Push-pull
systems
The canals are cleverly arranged in such a way that each canal on the ...
Zoology
... 1 History of zoology
2 Branches of biology relevant to zoology
3
systems of classification
4 Notable zoologists
5 See also
6 Sources ... , ornithology study mechanisms that are specific to those groups.
systems of classification
Main article: Scientific classification
...
Cancer
... rate, such as epithelials , show a higher risk of becoming tumor cells than those which divide less, for example neurons .
In cellular model
systems , cells are exposed to carcinogenic influences (chemicals, radiation). In these systems, the first signs of a cell developing into a tumor cell are:
...
Cladistics
... of biology that determines the evolutionary relationships of living things based on derived similarities. It forms the basis for most modern
systems of classification, which seek to group organisms by evolutionary relationships. In contrast, phenetics groups organisms based on their overall ...
Competitive exclusion principle
... competition , competition-colonization trade-offs , and lag prevent exclusion (ignoring stochastic extinction over longer time-frames). However, such
systems tend to be analytically intractable. In addition, many can theoretically support an unlimited number of species. A new paradox is created: Most ...
Edward's syndrome
... and clenched fists with overlapping fingers. Those with Edward's syndrome also have heart defects , and other organ malformations such that most
systems of the body are affected.
Edward's Syndrome also results in significant developmental delays. For this reason a full-term Edward's syndrome baby ...
Morphogenesis
... attach to the egg cytoskeleton but they concentrate at the posterior ends of the eggs. Hunchback and caudal mRNAs lack special location control
systems and are fairly evenly spread throughout the interior of egg cells.
mRNA distributions
When the mRNAs from the maternal effect genes are ...
Evolutionary biology
... who may have a specialist training in particular organisms such as mammalogy , ornithology , or herpetology but use those organisms as
systems to answer general questions in evolution. It also generally includes paleontogists who use fossils to answer questions about the mode and tempo ...