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Topic: Organism

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  Dr. Blob's Organism - Info
Blob's Organism is a lightning-fast shooter game where players blast feisty one-celled organisms as they try to escape from a petri dish.
Blob's Organism was inspired by John Conway's LIFE.
Blob's Organism uses SDL and SDL_mixer dynamically linked libraries, which are released under free LGPL license: http://www.gnu.org/copyleft/lesser.html.
www.digital-eel.com /organism   (373 words)

  US FDA/CFSAN - Bad Bug Book - Giardia lamblia
Giardia lamblia is frequently diagnosed by visualizing the organism, either the trophozoite (active reproducing form) or the cyst (the resting stage that is resistant to adverse environmental conditions) in stained preparations or unstained wet mounts with the aid of a microscope.
Organisms may be concentrated by sedimentation or flotation; however, these procedures reduce the number of recognizable organisms in the sample.
This organism is implicated in 25% of the cases of gastrointestinal disease and may be present asymptomatically.
vm.cfsan.fda.gov /~mow/chap22.html   (1163 words)

  Organism - Wikipedia, the free encyclopedia
Although viruses do have enzymes and molecules characteristic of living organisms, they are incapable of surviving outside a host cell and most of their metabolic processes require a host and its 'genetic machinery'.
One of the basic parameters of organism is its life span.
The largest organism in the world may be a fungus carpeting nearly 10 square kilometers of an Oregon forest, and may be as old as 8500 years.
en.wikipedia.org /wiki/Organism   (643 words)

 [No title]
The organism is alpha hemolytic and bile soluble and is inhibited by ethylhydrocupreine (optochin), an antibiotic.
Histo.: Intracellular organisms are demonstratable in epithelium of crypts and villi.
Histo.: The villus epithelium of the ileum is markedly degenerated, and the lamina propria is infiltrated with neutrophils and macrophages.
netvet.wustl.edu /species/rats/ratbact.txt   (7108 words)

 Model organism - Wikipedia, the free encyclopedia
A model organism is a species that is extensively studied to understand particular biological phenomena, with the expectation that discoveries made in the organism model will provide insight into the workings of other organisms.
This is possible because fundamental biological principles such as metabolic, regulatory, and developmental pathways, and the genes that code for them, are conserved through evolution.
Often, model organisms are chosen on the basis that they are amenable to experimental manipulation.
en.wikipedia.org /wiki/Model_organism   (1354 words)

 organism   (Site not responding. Last check: )
In modern biology, the "organismic" point of view, as described by Ludwig von Bertalanffy, (Modern Theories of Development, 1933) replaced the teleological conception in drawing attention to the fact that practically all vital processes are so organized that they are directed to the maintenance, production, or restoration of the wholeness of the organism.
Organisms have a history, both individually and collectively, and a complete understanding of an organism cannot be separated from its history.
J.H. Woodger, in his article on "the concept of organism" of 1930, published in the Quarterly Review of Biology 5, 1-22, points out the persistent tendency within biology to accept Descartes' view of the organism as some kind of machine, that is, an entity in which the relations between the parts are external or noncommunicative.
www.christianhubert.com /hypertext/organism.html   (1133 words)

 Using Transfer Functions to Predict an Organism's Behavior
So if an organism is exposed to a VI 20" schedule for 200 seconds followed by extinction for 800 seconds, for example, then that is the same as presenting to that organism a whole series of different input frequencies individually.
Exposing an organism to a two-pulse procedure would result in the cancellation of the zeros in the frequency domain version of the input because valid data is provided by one pulse duration or the other at every point across the spectrum.
An important aspect of the behavior of organisms is the degree to which it follows all the small transitions in the contingencies of reinforcement or the degree to which is smoothes over the fine details.
www.jsu.edu /depart/psychology/sebac/fac-sch/k-sqab/Kessel_Poster.htm   (2016 words)

 UCMP Glossary: Ecology
Anaerobic organisms do not require oxygen for their life processes, in fact oxygen is toxic to many of them.
An organism that lives on or within a host (another organism); it obtains nutrients from the host without benefiting or killing (although it may damage) the host; parasitic- adj.; parasitism- n.
A relationship between two organisms that live in intimate contact with each other; includes mutualism (both organisms benefit, they rely on each other for survival), parasitism (one organism benefits at its host's expense) and commensalism (one partner benefits and the other is neither benefitted nor harmed); symbiotic- adj.
www.ucmp.berkeley.edu /glossary/gloss5ecol.html   (1617 words)

 biology dictionary
DNA is the genetic material of most organisms and usually exists as a double-stranded molecule in which two antiparallel strands are held together by hydrogen bonds between adeninethymine and cytosine-guanine.
The observable characteristics of an organism, the expression of gene alleles (genotype) as an observable physical or biochemical trait.
An organism in which a foreign DNA gene (a transgene) is incorporated into its genome early in de- velopment.
www.angelfire.com /nv/biology/dictionary.html   (7222 words)

 NPR : A Distinct Human Organism
Whether produced by fertilization or cloning, the human embryo is a complete and distinct human organism possessing all of the genetic material needed to inform and organize its growth, as well as an active disposition to develop itself using that information.
Unlike the embryo, the sperm and egg whose union brings a human being into existence are not complete organisms.
They are destined either to combine to generate a new and distinct organism or simply die.
www.npr.org /templates/story/story.php?storyId=4857703   (852 words)

 Pragmatism and Umwelt-theory
Organisms know the difference between good and bad changes, and this knowledge arose from their experience in previous generations.
Reproductive value of an organism of a particular age is equal to its contribution to the growth of the entire population.
In a linear model of population growth, the reproductive value of organisms is equal to the left eigenvector of the matrix that describes population dynamics.
www.ento.vt.edu /~sharov/biosem/txt/umwelt.html   (7293 words)

 US FDA/CFSAN - Bad Bug Book - Vibrio cholerae Serogroup Non-O1
Both pathogenic and nonpathogenic strains of the organism are normal inhabitants of marine and estuarine environments of the United States.
It is unknown how the organism causes the illness, although an enterotoxin is suspected as well as an invasive mechanism.
Disease is caused when the organism attaches itself to the small intestine of infected individuals and perhaps subsequently invades.
vm.cfsan.fda.gov /~mow/chap8.html   (886 words)

 Alert! New Life Threatening Organism
Energetically, the organism appears to be in 95% of the population (and may be physically manifesting as symptoms in up to 60% of the population.) It has the potential of affecting up to 100%.
We believe the organism has the ability to mutate existing parasites in the body which will be identified as the problem.
Had I been unaware of the organism, I would have been motivated to rush to the doctor; as a friend of mine did, she was informed that her kidney was 15% functional and told she would die if she did not allow them to remove her kidney.
www.harmonicsinternational.com /news_organism2.htm   (1432 words)

 RedOrbit - Health - Trichomonas Vaginalis: Paradigm of a Successful Sexually Transmitted Organism
It is thought that the organism divides by binary fission, and is 7-32 m long by 5-12 m in width.17 T. vaginalis can be oval to pear- shaped, but an amoeboid shape is evident in parasites adhering to mammalian cells,18 with an undulating membrane along one side and four anterior flagella.
To be able to survive in the female genital tract, this organism must overcome the fluid flow barrier, infiltrate the mucus bathing the vaginal epithelial cells, maintain a micro-environment of the appropriate pH and have the ability to evade the immune system.
The organism lacks enzymes required to synthesise DNA de novo, and therefore must have quick access to DNA as a source of nucleotides before replication can occur.42 This is achieved via physical contact and lysis of the human cells or by degradation of fungal, microbial or leucocyte DNA.
www.redorbit.com /news/health/424118/trichomonas_vaginalis_paradigm_of_a_successful_sexually_transmitted_organism/?source=r_health   (6337 words)

 [Regents Prep Living Environment] Ecology: Organism Relationships
One example of an organism interaction is that of a producer/consumer relationship.
In this situation, the parasite feeds upon the tissues or fluids or another organism, but usually does not kill the organism it feeds upon, as this would destroy its food supply.
Decomposer organisms use the energy of dead organisms for food and break them down into materials which can be recycled for use by other organisms.
regentsprep.org /Regents/biology/units/ecology/organism.cfm   (299 words)

 The Curious Microbe: Radiation   (Site not responding. Last check: )
These same organisms consider room temperature to be as cold as the polar ice cap: they do not grow at all when temperatures dip down to those "icy cold" Phoenix summer extremes.
This organism was first found in food in the 1950's, food supposedly sterilized by radiation treatments.
Currently, they are focusing on this organisms remarkable ability to repair major damage to its own DNA, which many consider to be the blueprint for life.
commtechlab.msu.edu /sites/dlc-me/curious/caOc96JL.html   (369 words)

If you have a better definition for Organism than the one presented here, please let us know by making use of the suggest a term option.
This definition of Organism may be disputed by other professionals.
Our attempt is to provide easy definitions on Organism and any other medical topic for the public at large.
www.healthdictionary.info /Organism.htm   (487 words)

 Reason Magazine - Hit & Run > The Littlest Genome--Organism Or Organelle?
The organism is the bacterium Carsonella rudii, which lives as an endosymbiont inside a small insect.
Scientists think that this happened to the organism that evolved hundreds of millions years ago into the mitochondria that now serve as thousands of cellular powerplants in each animal cell including humans.
If "industrial organisms" can be designed to be too fragile to survive outside the artificial environment they were designed for, then the risk of them escaping into the wider world and proliferating is greatly reduced.
www.reason.com /blog/show/116030.html   (623 words)

Biotechnology can be broadly defined as "using living organisms or their products for commercial purposes." As such, biotechnology has been practiced by human society since the beginning of recorded history in such activities as baking bread, brewing alcoholic beverages, or breeding food crops or domestic animals.
All living organisms are composed of cells that contain a substance called DNA (deoxyribonucleic acid) in the chromosomes.
DNA from all living organisms is the same, except for the sequence and number of letters in the "recipe." Therefore, traits can be transferred from one organism into another by transferring the DNA genes for those traits.
warp.nal.usda.gov /bic/Education_res/iastate.info/bio1.html   (2113 words)

 Glossary of terms   (Site not responding. Last check: )
Carrying capacity is the maximum number of organisms that can use a given area of habitat without degrading the habitat and without causing social stresses that result in the population being reduced.
The increase in such gases in the atmosphere, which contributes to global warming, is a result of the burning of fossil fuels, the emission of pollutants into the atmosphere, and deforestation.
Organisms are living thing, animal or plant, that is capable of carrying out life processes.
edugreen.teri.res.in /explore/glossary.htm   (4838 words)

 The Social-Spiritual Organism of a Waldorf School Community   (Site not responding. Last check: )
The various human beings associated with the organism of the school have different roles depending upon whether they are, in any given moment, contributing to the Life of the School, as an aspect of the Chalice, or as an aspect of the Radiant Sun.
The parents' responsibility is the Chalice, the social organism of the school, and the teachers' responsibility is the Radiant Sun, the relationship between student and teacher.
In the social organism of the school, as distinct from the spiritual organism, there is an interpenetration between the active element (the hands) and the mediating element (the heart).
ipwebdev.com /hermit/ssows.html   (6076 words)

 THE UNIVERSE AS ORGANISM   (Site not responding. Last check: )
The universe is a self-regulating and self-sustaining organism which is in a continuous process of growth, differentiation and complexification.
Human life may be only one, terminable, experiment in the universal organism but that humanity exists, that life exists here, shows that there can be this kind of development within the system of the universe, cotemporaneous developments, or parallel developments separated in time, different phases in the development of the universe.
The universe as organism unites science and the longing which religions have sought to satisfy.
www.percepp.demon.co.uk /pankosm.htm   (411 words)

 Smallest Organism   (Site not responding. Last check: )
Let's define an organism as a living thing that is able to live independent of other organisms, that has a metabolism, and that reproduces with offspring identical to the parent.
However, when you include organisms that live as parasites on, or in, others, then viruses are included, and these are much smaller than bacteria.
They have a metabolism, they have DNA or RNA for reproduction (although they use the machinery of their involuntary host cells to do so), their offspring is identical to the parents.
www.newton.dep.anl.gov /askasci/mole00/mole00026.htm   (443 words)

 Genetically modified organism/food information   (Site not responding. Last check: )
This is done in an effort to alter an organism's characteristics, such as a tomato having pieces of arctic flounder DNA in order to prevent frost damage, or rice having pieces of daffodil DNA in order to increase vitamin A levels.
Such intervention must not be confused with previous intrusions upon the natural order of living organisms, [which] work within single or closely related species [as opposed to tomatoes sharing genes with fish, rice sharing genes with daffodils][p.50-51].
A toxin is a substance produced by one organism that is poisonous to another organism.
www.highroad.org /GMOinfo.htm   (4328 words)

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