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Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.
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Kinases add - groups to other enzymes. this activities some enzyme while inhibiting other
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The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the
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Is a fossil fem that support wegener's hypothesis of continental drift a. gondwanded b. kannemerid c. mesosaurus d. glossopters
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What is the overall equation for photosynthesis...
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