Sentences with phrase «when small chemical»

One type of epigenetic change to the genome occurs when small chemical groups glom on to the ladder structure of DNA.

Not exact matches

Dementias is seeing things and then ascribing illogical meanings to them either by choice or through chemical imbalances) would make beneficial (helpful) condolences (to assure someone that you care about them when something bad has happened) to illusively (false truth) make connotations (or allusions, a slanting of the bias of language toward) a glint (small reflection of light) of glamor their main pride's orifice (did....

«Even when it's not organic, small farms tend to be less aggressive than large factory farms about dousing their wares with chemicals.»

The total exposure to BPA is getting quite large when you look at ALL the products in their small lives that may contain this harmful chemical.

Biologists now know that the genome sequence holds only a small part of the answer, and that key elements of development and disease are controlled by the epigenome — a set of chemical modifications, not encoded in DNA, that orchestrate how and when genes are expressed.

When newly hatched majors were injected with molecules that increased the number of small chemical groups attached to their DNA's protein scaffolding, they behaved like minors.

And a small «Porton Down National Park» would be an appropriate memorial to all who gave their skill and courage when it was deemed necessary for Britain to have a «defensive» chemical and biological weapons capacity.

«I'm particularly impressed by this notion when one considers systems as small as chemical circuits involving a few biomolecules.»

Scientists at the University of York have discovered that very small chemical changes to dietary flavonoids cause very large effects when the plant natural products are tested for their impact on the human immune system.

The system uses a novel method, relying on an electrochemical process to selectively remove organic contaminants such as pesticides, chemical waste products, and pharmaceuticals, even when these are present in small yet dangerous concentrations.

This means that cocktail effects can be predicted based on information from single chemicals, but also that small amounts of chemicals when present together can have significant negative effects.

Smell or olfaction occurs when chemicals stimulate olfactory receptors on a relatively small patch of tissue located high in the nasal cavity.

The memory - boosting chemical was singled out from among 100,000 chemicals screened at the Small Molecule Discovery Center at UCSF for their potential to perturb a protective biochemical pathway within cells that is activated when cells are unable to keep up with the need to fold proteins into their working forms.

This can also be toxic in small amounts and is extremely dangerous when it mixes with other chemicals, especially ammonia (if you ever do this accidentally, leave your home and call the poison control center immediately!)

The raised patches that appear on your skin occur when histamine and other chemicals cause small blood vessels in the skin to leak blood plasma (a watery, straw - colored fluid).

When you combine the fact that most people are NOT getting adequate small doses of daily sunshine, are over-using chemical - based sunscreens that prevent your body from producing vitamin D, and are also getting less Vitamin D from the meat, dairy, and eggs in our food supply these days, you can see why Vitamin D deficiency is a major problem right now.

Dorland medical dictionary further defines a poison as «any substance which, when relatively small amounts are ingested, inhaled, or absorbed, or applied to, injected into, or developed within the body, has chemical action that may cause damage to structure or disturbance of function, producing symptomatology, illness or death.»

Different types of rennet [yes, they're also produced in multiple ways, and carry traces of chemicals etc] can be aggravating, so choosing a rennet is really a matter of trial and error, but a friend who always got super sick when eating parmesan [standard for all pastas, creamed potatoes etc] has gone for organic parmesan and introducing it 1 - 2 grated bits at a time, and very slowly, is now up to a small chunk.

While these chemicals may be tolerated individually and in small doses, problems can arise when one is exposed to them in combination or in larger doses.

We'd love a Berkey because we live in a small farming area, surrounded by farmers who spray so many chemicals on their crops that we have to keep our doors / windows shut on days when they spray.

The gallbladder stores bile, a chemical made by the liver that emulsifies fat, and secretes it into the small intestine when needed.

In this dreamy sci - fi musical set in the 1960s, an isolated small town teenager believes her hopes of becoming a famous singer will come true when her rock star idol gets stranded in town and romance blooms between them but a leak in a nearby chemical plant threatens to turn her dream into a nightmare.

Samsung's Galaxy S 5 smartphone and new Galaxy Tab S tablets boast an emerging and costly technology called Super AMOLED — Super meaning a capacitive - touch layer (see the next term) is integrated into the screen and AMOLED for active - matrix organic light - emitting diode, in which a small patch of an organic chemical glows when a current is applied to it.

You may be merely aggravated with your hound when he chews a pair of shoes, or snatches that unsupervised TV snack; but should he instead investigate an electrical cord, household chemicals, or any number of small items that could become lodged in his throat and cause choking, the results can be downright fatal.

However even without any modulating biological effects, the graph suggests a degree of chemical homeostasis where increasing CO2 concentrations have an increasingly smaller effect on ocean pH. For example when CO2 concentrations increase from 0 to 100 ppm, pH rapidly drops from over 11.0 to 8.7.

As Lorne O'Reilly, senior counsel of Dow Chemical, defined it in the call when we determined the Toronto District School Board as the winner in the category of Law Department Management, small departments and our overall winner of Innovation of the Year:

«This project will enable precision measurements of the physical, chemical and biological changes that occur when cells are subjected to mechanical loading, ranging from small perturbations to high - force, high - speed impacts,» said Megan Valentine from UC Santa Barbara.