English example sentences with "activates"

E-cigs look like cigarettes. They even have a cork-like filter. When the user inhales deeply, a battery activates an atomizer that quickly heats a chamber full of water, nicotine, and a chemical that has a faintly sweet taste.
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He says when a person makes an emotional or moral decision, it activates a part of the brain, just behind the eyes, called the medial pre-frontal cortex.
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Treatment involves giving patients an infused drug that sensitizes human tissue to light. Doctors then illuminate the prostate, where the cancer is located. The light activates the creation of oxygen molecules, called free radicals, that cut off the blood supply to the cancer, killing the harmful cells.
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Once the drug is injected into patients, the laser light activates the bacterium's photosynthesis, which in turn releases the harmful oxygen molecules, targeting cancer cells for destruction where the laser is pointed.
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The altered mosquitoes produce higher than normal levels of the immune system protein, Rel2. That activates a host of anti-parasitic molecules which, in turn, launch an all-out attack on the malaria parasite.
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Reading activates the brain.
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