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Page "Chemotaxis" ¶ 20
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regulation and allows
These modifications are often essential for the function or regulation of a protein ; for example, the carboxylation of glutamate allows for better binding of calcium cations, and the hydroxylation of proline is critical for maintaining connective tissues.
By having two different temporal positive feedback loops or “ dual-time switches ” allows for ( a ) increased regulation: two switches that have independent changeable activation and deactivation times ; and ( b ) linked feedback loops on multiple timescales can filter noise.
This allows for homeostatic regulation of the distribution of neuroendocrine factors, to which slight changes can cause problems or damage to the nervous system.
An advantage of homeostatic regulation is that it allows an organism to function effectively in a broad range of environmental conditions.
In the Anglo-Saxon System of labour market regulation, the government ’ s legislative role is much more limited, which allows for more issues to be decided between employers and employees and any union and / or employers ’ associations which might represent these parties in the decision-making process.
In particular, the consumption of whole-plant foods slows digestion and allows better absorption, and a more favorable balance of essential nutrients per Calorie, resulting in better management of cell growth, maintenance, and mitosis ( cell division ), as well as better regulation of appetite and blood sugar.
Because the QS regulation covers a broad spectrum of devices and production processes, it allows some leeway in the details of quality system elements.
Checks and balances allow for a system based regulation that allows one branch to limit another, such as the power of Congress to alter the composition and jurisdiction of the federal courts.
Trusts can be used to avoid taxes and regulation, although in the United States the IRS allows trusts to be taxed as corporations, partnerships, or not at all depending on the circumstances.
Therefore, a regulation may not be so vague as to regulate areas beyond what the law allows.
Proponents of a legal market for organs say that the black-market nature of the current trade allows such tragedies and that regulation of the market could prevent them.
In this view, treating corporations as " persons " is a convenient legal fiction that allows corporations to sue and to be sued, provides a single entity for easier taxation and regulation, simplifies complex transactions that would otherwise involve, in the case of large corporations, thousands of people, and that protects the individual rights of the shareholders as well as the right of association.
Section 7 of the Clayton Act allows greater regulation of mergers than just Sherman Act Section 2, since it does not require a merger-to-monopoly before there is a violation.
These researchers argue that the combinatorial nature of transcriptional regulation allows a rich substrate for morphological diversity, since variations in the level, pattern, or timing of gene expression may provide more variation for natural selection to act upon than changes in the gene product alone.
Many stores and flea markets still sell small turtles due to an exception in the FDA regulation which allows turtles under to be sold " for bona fide scientific, educational, or exhibitional purposes, other than use as pets.
Critics of economic liberalisation and deregulation cite the benefits of regulation, and believe that certain regulations do not distort markets and allows companies to continue to be competitive, or according to some, grow in competition.
The European Union de minimis " state aid " regulation allows for aid of up to € 200, 000 to be provided from public funds to any business enterprise over a rolling three-year period.
Another form of gene regulation that allows the bacteria to rapidly adapt to surrounding changes is through environmental signaling.
No state has so far passed regulation that allows for general store opening on Sundays.
The onboard power regulation circuitry, partly visible near the bottom of the photo, allows the CPU to operate on boards that provide only 5 volts to the CPU.
Also unlike the lac operon, the trp operon contains a leader peptide and an attenuator sequence which allows for graded regulation.
Layering and the ease with which it allows for temperature regulation is a major benefit of the sweater as an article of clothing.
Finally it is occasionally made microadjustable by adding a low value pot in series with the Zener ; this allows a little voltage adjustment, but degrades regulation.
The agility and internal regulation of the group allows problems to be solved locally without propagation through a larger social space, thus increasing tempo.

regulation and bacterium
Thus, the bacterium can cause a chronic active gastritis ( type B gastritis ), resulting in a defect in the regulation of gastrin production by that part of the stomach, and gastrin secretion can either be increased, or as in most cases, decreased, resulting in hypo-or achlorhydria.
The experimental microorganism used by François Jacob and Jacques Monod was the common laboratory bacterium, E. coli, but many of the basic regulatory concepts that were discovered by Jacob and Monod are fundamental to cellular regulation in all organisms.
The experimental system ultimately used by Jacob and Monod was a common bacterium, E. coli, but the basic regulatory concept ( described in the Lac operon article ) that was discovered by Jacob and Monod is fundamental to cellular regulation for all organisms.
Thus, as well as the PEP group translocation system being an efficient way to import substrates into the bacterium, it also links this transport to regulation of other relevant proteins.

regulation and chemical
Upon completion of this experiment, Loewi asserted that sympathetic regulation of cardiac function can be mediated through changes in chemical concentrations.
These rules include such things as regulation ski sizes, sidecuts, boot heights, binding risers and other regulations such as limitations to chemical substances found in winning racers as well as many other things which all ensure one particular skier has no advantage over another.
Alternatively to the top-down hypothesis, not all plant material is edible and the nutritional quality or antiherbivore defenses of plants ( structural and chemical ) suggests a bottom-up form of regulation or control.
As secretory cells, monocytes and macrophages are vital to the regulation of immune responses and the development of inflammation ; they produce a wide array of powerful chemical substances ( monokines ) including enzymes, complement proteins, and regulatory factors such as interleukin-1.
* Rachel Carson, ( May 27, 1907 – April 14, 1964 ) a marine biologist who became a famous writer, best known for her 1962 book Silent Spring, which confronted the chemical industry and helped to spur legislation for regulation and control of DDT and other industrially and domestically used substances.
Peripheral regulation is therefore dependent on the localised metabolic chemical conditions of the local muscle affected, whereas the central model of muscle fatigue is an integrated mechanism that works to preserve the integrity of the system by initiating muscle fatigue through muscle derecruitment, based on collective feedback from the periphery, before cellular or organ failure occurs.
By regulation, OSHA requires that employers keep a record of every non-consumer chemical product used in the workplace.
This chemical shim, along with the use of burnable neutron poisons within the fuel pellets, is used to assist regulation of the long term reactivity of the core, while the control rods are used for rapid changes to the reactor power ( e. g. shutdown and start up ).
The regulation of passage through the membrane is due to selective membrane permeability-a characteristic of biological membranes which allows them to separate substances of distinct chemical nature.
For chemicals, the chemical regulation is usually expressed in parts per million ( ppm ), or sometimes in milligrams per cubic metre ( mg / m < sup > 3 </ sup >).
" CEI offers or has offered analysis and advocacy on public policy issues such as energy, environment, biotechnology, pharmaceutical regulation, chemical risk, telecommunications, insurance, transportation, tobacco regulation, constitutional issues, economic policy and securities law.
During his time in ministerial office, there was some concern that someone so closely involved with the iron, steel and chemical industries was in charge of their regulation.
The River Dee regulation system also manages a water quality monitoring and alerting system that includes real-time quality monitoring for a wide range of chemical parameters supplemented by daily fixed site monitoring with analysis provided in near real-time by a dedicated laboratory service.
Epigenetics is the study of the regulation of gene expression through chemical, non-mutational changes in DNA structure.

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