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Live in Biological Definition

Escherichia coli

... ) is one of the main species of bacteria that live in the lower intestines of warm-blooded animals ... is the adjective that describes organisms that live in the intestines. "Fecal" is the adjective for organisms that live in feces, so it is often a synonym for ...

Endosymbiont

... , Sinorhizobium and Bradyrhizobium ) live in plants , reef-building corals contain ... only a few generations. The endosymbionts live in specialized insect cells called bacteriocytes ... amino acid biosynthesis genes; most bacteria that live inside other organisms do not have such genes, so ...

Endosymbiont

... , Sinorhizobium and Bradyrhizobium ) live in plants , reef-building corals contain ... only a few generations. The endosymbionts live in specialized insect cells called bacteriocytes ... amino acid biosynthesis genes; most bacteria that live inside other organisms do not have such genes, so ...

Fungus

... heterokaryon produces a new mycelium which may live for years without producing a fruiting body. The ... grow on dead organisms. Many decomposer fungi live as mycorrhizae , in mutualistic relationships ... then consumed. Some fungi, usually ascomycetes, live as lichens . A lichen is a very close ...

Human

... regions of the world, though the women who live in these regions have argued that their natural ... numerous mammals on Earth. Most humans (61%) live in the Asian region. The vast majority of the remainder live in the Americas (14%), Africa (13%) and ...

Marine biology

... , families and genera have some species that live in the sea and others that live on land, marine biology deals with those species ... through the water. Many life forms that live at these depths have the ability to create their ...

Plant

... to their seasonal growth pattern: Annual : live and reproduce within one growing season. Biennial : live for two growing seasons; usually reproduce in second year. Perennial : live for many growing seasons; continue to reproduce ...

Plant

... to their seasonal growth pattern: Annual : live and reproduce within one growing season. Biennial : live for two growing seasons; usually reproduce in second year. Perennial : live for many growing seasons; continue to reproduce ...

Archaea

... and eukaryotes. Habitats Many archaeans are extremophiles . Some live at very high temperatures, often above 100°C, as found in geysers ... that the vast majority of other organisms would find impossible to live in. It thrives best at temperatures of about 103 degrees [Celsius] and ...

Biodiversity

... to improve their reproduction goals or use neighbor species that live in communities. Depending on their environment , organisms do not ... their immediate environment ( biotope ) and the ecoregions the organisms live in. In each ecosystem, living organisms are part of a whole, they interact ...

Cryptozoology

... cryptids 3 See also 4 Lakes in which sea monsters are said to live 5 Sources 6 External links Mainstream reaction While ... and protoscience . Lakes in which sea monsters are said to live Loch Ness (Scotland) Loch Morar (Scotland) Lough Keane ...

Lichen

... lineages. The algal cells contain chlorophyll , permitting them to live in a purely mineral environment by producing their own organic compounds ... 5 External links Morphology and structure Lichens live on various surfaces: soil, trees, rocks, and walls. They are often the ...

Patau syndrome

... abnormalities, and other medical problems. Affected individuals rarely live past infancy because of the life threatening medical problems associated with this condition. Patau syndrome affects approximately 1 in 10,000 live births. The risk of having a child with Patau syndrome increases as a ...

Vaccine

... and are likely to require booster shots. Live, attenuated - these are live micro-organisms that have been cultivated under conditions to disable ... of toxoid-based vaccines include tetanus and diphtheria The live tuberculosis vaccine is not the contagious TB strain, but a related ...

Antibiotic resistance

... via natural selection . The antibiotic action is an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce. They will then pass this trait to their offspring, which will be a fully resistant generation. Several studies have demonstrated ...

B cell

... easier targets for phagocytes . Memory B cells are formed specific to the antigen(s) encountered during the primary immune response; able to live for a long time, these cells can respond quickly upon second exposure to the antigen for which they are specific. Humoral immunity (the ...

Cartilage

... . Chondrocytes lie in a cavity called a lacuna . During slide preparations, chondrocytes often shrink and appear smaller than the lacunae but in live tissue, they occupy the entire area. Fibers Cartilage is composed of collagen and elastic fibers. In hyaline cartilage, Type II collagen ...

Cloning

... Analysis of the cow's telomeres showed they had not only been 'reset' to birth-length, but they were actually longer - suggesting these clones would live longer life spans than normal cows (but many have died young after excessive growth). Researchers think that this could eventually be developed to ...

Competitive exclusion principle

... exclusion seems to be violated. The best known example is the paradox of the plankton (or short plankton paradox ): All plankton species live on a very limited number of resources, primarily solar energy and minerals that are dissolved in the water. According to the competitive exclusion ...

DNA

... of the Pneumococcus could be transferred to the "rough" form of the same bacteria merely by making the killed "smooth" (S) form available to the live "rough" (R) form. Quite unexpectedly, the living R Pneumococcus bacteria were transformed into a new strain of the S form, and the transferred S ...

Down syndrome

... institutions or potential employers. Many children in the UK are now educated in mainstream schools, learn to read and write, and are likely to live productive and valued lives as part of their families and communities. However, full-time mainstreaming proves difficult after the first few years of ...

Drosophila

... vinegar is standing open, they are there. Adult flies as well as larvae feed on the fruit juices and the yeast growing on rotting fruit. Most eggs live inside of the fruit along the peel of the fruit. "Some feed on other decaying organic matter or on plant exudations; a few are leaf miners, ...

Electrophysiology

... (current-clamp) across the membrane. This technique is widely used when recording from brain slices or when performing "in-vivo" recording from live animals. 2. Extracellular recording. In this technique an electrode is placed on the extracellular medium and field-potentials contributed by the ...

Warm-blooded

... prevents the loss of heat through the fish's gills into the cold water. Bees . An individual bee is perfectly cold blooded. Bees however, do not live by themselves. In Summer if the nest starts to overheat they will go to the entrances to the nest and fan air in and out of the nest to cool it. In ...

Endosymbiotic theory

... , which are organelles of eukaryotic cells. According to this theory, these originated as prokaryotic endosymbionts , which came to live inside eukaryotic cells. The theory postulates that the mitochondria evolved from aerobic bacteria (probably proteobacteria , related to the ...

Eugenics

... through a series of programs which ran under the banner of " racial hygiene ." Among other acts, the Nazis performed extensive experimentation on live human beings to test their genetic theories, ranging from simple measurement of physical characteristics to the more ghastly experiments carried out ...

Experimental evolution

... 60 °F. Dallinger concluded that he had clearly found evidence for Darwinian adaptation in his incubator, and that the organisms had adapted to live in a high-temperature environment. Unfortunately, Dallinger's incubator was accidentally destroyed in 1886, and Dallinger could not continue this ...

Extinction

... the ancestor of several extant species including the horse , the zebra and the donkey . The Eohippus itself is no more, but its decendants live on. It is therefore said to be pseudoextinct. Currently, many environmental groups and governments are concerned with the extinction of species due ...

Genetic recombination

... but severe problems can arise if a gamete containing unbalanced recombinants becomes part of a zygote . Offspring with severe unbalances rarely live through birth. Other types of recombination Conservative site-specific recombination In conservative site-specific recombination, a mobile ...

Halobacteria

... , found in water saturated or nearly saturated with salt. They are also called halophiles , though this name is also used for other organisms which live in somewhat less concentrated salt water. They are common in most environments where large amounts of salt, moisture, and organic material are ...

Homeostasis

... homeo- similar or same. stasis- standing or stopping. Multicellular organisms require a homeostatic internal environment , in order to live ; many environmentalists believe this principle also applies to the external environment. Many ecological , biological , and social systems are ...

Kidney

... (acute and chronic) Glomerulonephritis Diabetic nephropathy Lupus nephritis Dialysis and kidney transplants Generally, one can live fine with just one kidney. If both kidneys do not function properly, dialysis is performed, where the blood is filtered outside of the body. ...

Louis Pasteur

... microbe within silkworm nurseries would eradicate the disease. Pasteur also discovered anaerobiosis - that some microorganisms can develop and live without air or oxygen . Immunology His later work on diseases included work on chicken cholera . During this work, a culture of the ...

Marfan syndrome

... indicate that perhaps 1 in 10,000 people has Marfan syndrome. There is no cure, but effective treatment allows many people with the disorder to live normally. It affects all races and both sexes equally. Symptoms The most serious conditions associated with Marfan syndrome primarily involve ...

Antibiotic resistance

... via natural selection . The antibiotic action is an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce. They will then pass this trait to their offspring, which will be a fully resistant generation. Several studies have demonstrated ...

Origin of life

... surface in the form of archaea , which are generally considered to have originated around the same time or earlier than bacteria , most of which live on the surface including the oceans. It is claimed that discovery of microbial life below the surface of another body in our solar system would ...

Parthenogenesis

... Among the reptiles, about fifteen species of whiptail lizard (genus Cnemidophorus ) reproduce exclusively by parthenogenesis. These lizards live in the dry and sometimes harsh climate of the southwestern United States and northern Mexico. All these asexual species appear to have arisen ...

Primary nutritional groups

... are photoautotrophic . However, some eucaryotic microorganisms are not limited to just one nutritional mode. For example, there are some algae that live photolithoautotrophically in the light, but shift to chemoorganoheterotophic life in the dark, and even higher plants retained their ability to ...

Prokaryote

... to thrive in harsh conditions, such as high temperatures or salinity. Organisms such as these are referred to as extremophiles . Many prokaryotes live in or on the bodies of other organisms, including humans. Sometimes this leads to a life-threatening bacterial infection, but in many cases the ...

Rudolf Steiner

... Thus one way of remaining within the process (as opposed to the results) of Steiner's thinking, is to gradually learn through his works how to live consciously at the threshhold where conceptuality comes into being. There one no longer is confined to observing things that already are -- one ...
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(Date:12/2/2009)... DURHAM, N.C. Duke University Medical Center res...lignant brain cancer glioma may be better able to ...k a particular signaling pathway in these cancer s... cells with radiation in a laboratory experiment. ...owed that cancer stem cells resist the effects of ...
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