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<span>Pain relievers prevent damaged cells from creating a chemical called prostaglandin. Once cells stop producing this chemical, the brain doesn't receive any pain message.
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Answer:
John Dalton, J.J. Thompson, Ernest Rutherford, Niels Bohr, James Chadwick and Ernest Schrodinger each contributed greatly to the modern atomic theory by finding the actual evidence. of the tests that he ran was measuring the proportions of hydrogen to oxygen in different amount of the substances.
Answer:
b. False
Explanation:
Channel proteins use passive transport, that is, they do not require energy such as ATP for transporting molecules.
Xylem tissue is important is the transport of water and minerals from the roots to the leaves of the plant. It is this water that is used in photosynthesis and also significant in the transpirational pull that significant in plant support. When the xylem is destroyed the plant wilts because it loses turgidity and dies because water is unable to reach the leaves for photosynthesis so the plant cannot make its food.