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5 Written questions

5 Matching questions

  1. cell respiration
  2. ingestion
  3. chemical energy
  4. saliva
  5. oxidation
  1. a the removal of electrons from a molecule
  2. b the process of taking food into the digestive tract
  3. c a watery secretion containing digestive enzymes that begin chemical digestion; ph 6.0-7.4
  4. d energy stored in the structure of organic molecules from which the organisms who store them are made
  5. e the series of chemical reactions by which a living cell breaks down carbohydrates and obtains energy from them

5 Multiple choice questions

  1. a form of energy that is unusable for organisms and increases the entropy of the universe
  2. the portion of chemical energy that is available to do work
  3. a biological community and its abiotic environment
  4. a digestive hormone secreted by the stomach lining; stimulates the secretion of fluid by gastric glands in the stomach
  5. reactions that build proteins from amino acids and build tissues from the proteins (consume free energy)

5 True/False questions

  1. physical digestionthe process of taking food into the digestive tract

          

  2. biospherethe outer portion of Earth - air, water, soil - where life is found

          

  3. capillarya watery secretion containing digestive enzymes that begin chemical digestion; ph 6.0-7.4

          

  4. decomposera biological community and its abiotic environment

          

  5. energythe capacity to do work or to cause change

          

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