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Chemical in sentence

890 examples of Chemical in a sentence

If a potential mate has managed to pass all these tests, there's still one more: the infamous first kiss, a rich and complex exchange of tactile and chemical cues, such as the smell of one's breath, and the taste of their mouth.
These chemical systems help regulate and reduce pain.
Although they have no methods of intentional communication, individual ants do interact with one another through touch, sound and chemical signals.
When one of these ants happens to find food, it will return with it, marking its path with a chemical scent.
They use what I call a highly tuned chemical arsenal to protect themselves from all the stresses of their environment.
So it's important that we look at the chemical changes involved in drying.
This is how some chemical bonds form.
Inside each of these cells, chemical reactions are constantly occurring, powered by the glucose and oxygen that our bodies convert into the energy-carrying molecule known as ATP.
Certain diseases, growths in the thryoid or chemical imbalances in the body can confuse the organ and make it deaf to the pituitary's guiding commands.
So a big goal of neuroprosthetics is to be able to reactivate that communication using electrical or chemical stimulations.
The proteins start off folded up into intricate shapes, held together by weak chemical bonds.
According to a chemical idea called the principle of microscopic reversibility, anything that happens, like egg proteins seizing up, can theoretically unhappen if you retrace your steps.
First, scientists dissolve boiled egg whites in water with a chemical called urea, a small molecule that acts as a lubricant, coating the proteins' long strands and making it easier for them to glide past each other.
Boiling an egg is actually an unusual cooking process because even though it changes the way proteins are shaped and bound together, it doesn't actually change their chemical identity.
Most types of cooking are more like the famous Maillard reaction, which makes chemical changes that turn sugars and proteins into delicious caramel crunchiness and are a lot harder to undo.
Everything we consume has a calorie count, a measure of how much energy the item stores in its chemical bonds.
The other thing we can do is, actually, put in a chemical and deactivate it, so just place it into a box and ship it across the ocean, and that's what we did.
Even though they still look the same, these chemical differences are eventually translated into asymmetric organs.
Several years ago, I conducted a survey of European research libraries and discovered that, at the barest minimum, there are 60,000 manuscripts pre-1500 that are illegible because of water damage, fading, mold and chemical reagents.
Graphs like this are often used to map communication networks, but they can represent almost any kind of network, from transport connections within a city and social relationships among people, to chemical interactions between proteins or the spread of an epidemic through different locations.
Amino acids contain the precursors to neurotransmitters, the chemical messengers that carry signals between neurons, affecting things like mood, sleep, attentiveness, and weight.
It's still occasionally used as an anesthetic, but many of the more common regional anesthetics have a similar chemical structure and work the same way.
A spermicide is a chemical that immobilizes and destroys sperm.
That compound, which we're mildly allergic to, triggers the release of histamine, a chemical that makes our capillaries swell.
Most importantly, the strength of the radiation depended solely on the element's quantity, and was not affected by physical or chemical changes.
Thousands of years of human evolution has not only given us humans like Tibetans, who can thrive in low-oxygen conditions, but also Argentinians, who can ingest and metabolize arsenic, the chemical element that can kill the average human being.
Gold, silver, and copper are actually just a few of the 70 or so chemical elements that make up the average smartphone.
We designed it to listen for tumor invasion: the orchestra of chemical signals that tumors need to make to spread.
One enzyme can activate a thousand of these chemical reactions in an hour.
With proper care we can help our LES’s keep the chemical fountain of our stomachs in proper order and avoid having to feel the burn.
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