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Asubstance that speeds up the rate of a chemical reaction is called
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Disinfection of impression materials is usually accomplished by a. sterilization with high heat. b. spray or immersion in a chemical disinfectant. c. sterilization with steam under pressure. d. allowing the impression to sit 24 hours in water until all the organisms die.
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Aboy with an extra x chromosome probably has which of the following syndromes?
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What is the function of the root cap? a. extra-absorbent cells in the root cap absorb more water and nutrients b. protect the meristematic area of the stem c. contains sensors for sunlight d. increases surface area of the root
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Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet
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Asubstance that speeds up the rate of a chemical reaction is called...
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