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fast in Biological Definition

Red Queen

... shoulder in order that they can run together very fast in a desperate attempt to keep up with the ... get to somewhere else -- if you run very fast for a long time, as we've been doing." "A ... somewhere else, you must run at least twice as fast as that!" [1] Arms races The metaphor ...

Diabetes mellitus

... (often years), but in type 1, particularly in children, onset may be quite fast (weeks or months). Early symptoms of type 1 diabetes are often polyuria ... to hospital, the patient in DKA is typically dehydrated and breathing both fast and deeply. Abdominal pain is common and may be severe. The level of ...

Nutrition

... and the food industry have not yet recognised or acted upon this insight. fast food restaurants are spreading around the world, and Westernisation has ... related entries in the following categories: Food: famine fast food List of diets Slow Food vegan vegetarian ...

Bioinformatics

... is the study of the origin and descent of species, as well as their change over time. Recent developments in genome sequencing and the ubiquity of fast computers enable researchers to trace evolution of species by tracing changes in their DNA. CEB research from the pre-genome era involved building ...

BLAST

... of BLAST programs, and the more practical CPU requirements explain why BLAST is vastly more used than the Smith-Waterman algorithm. An extremely fast alternative to BLAST that compares nucleotide sequences to the genome is BLAT ( B last L ike A lignment T ool). A more precise, and much slower, ...

Bioinformatics

... is the study of the origin and descent of species, as well as their change over time. Recent developments in genome sequencing and the ubiquity of fast computers enable researchers to trace evolution of species by tracing changes in their DNA. CEB research from the pre-genome era involved building ...

Digital organism

... to compete with each other and try to stop the opponent from executing . It turned out that one of the winning strategies was to replicate as fast as possible, which had the result that the opponent was deprived of all computational resources . However, programs in the Core War game did not ...

Ecological genetics

... studies wild populations of organisms. Studies are often done on insects and other organisms that have short generation times, and thus evolve at fast rates. History Although work on natural populations had been done previously, it is acknowledged that the field was founded by the Briton ...

Gradient

... at each point in the room, the gradient at that point will show the direction in which it gets hottest. The magnitude of the gradient will tell how fast it gets hot in that direction. Consider a hill whose height at a point ( x , y ) is H ( x , y ) . The gradient of H at a point will show ...

Immune system

... immunity also possess an innate immunity and many of the mechanisms between the systems are common, so it not always possible to draw a hard and fast boundary between the individual components involved in each, despite the clear difference in operation. Higher vertebrates and all mammals have ...

Ion channel

... narrowest point, it conducts a specific species of ion, such as sodium or potassium , and conveys them through the membrane single file--nearly as fast as the ions move through free fluid. Access to the pore is governed by "gates," which may be opened or closed by chemical or electrical signals, or ...

Magnetic resonance imaging

... take on the property of T2 weighting. On a T2 weighted scan, water and fluid-containing tissues are bright (most modern T2 sequences are actually fast T2 sequences, in which case fat is also bright). Damaged tissue tends to develop edema, which makes a T2 weighted sequence sensitive for pathology, ...

Muscle

... higher aerobic metabolism and mitochondria and hence more capable of endurance activities (activities that don't require maximum strength). fast twitch (type II) - more anaerobic metabolism (due to less myoglobin and mitochondria) but better at generating more power in short bursts (at the ...

Primer

... (A, G, C and T are the number of nucleotides in the primer, respectively. [Na + ] is the concentration of Na + in the PCR vial.) "GC"-method : fast and simple, for primers with more than 13 nucleotides. "Salt-adjusted"-method : More accurate than GC, for primers with more than 13 nucleotides. ...

Signal transduction

... receptor. The concentration of the circulating hormone is the key value for the strength of the signal, since the other two values are constant. For fast reaction, the hormone-producing cells can store prehormones , and quickly modify and release them if necessary. Also, the recipient cell can modify ...

Thermoregulation

... later Bergmann suggested that they should be known as " homeothermic " and " poikilothermic " animals. But it must be remembered there is no hard and fast line between the two groups. Also, from work done by J. O. Wakelin Barratt, it has been shown that under certain pathological conditions a ...
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