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5 Written questions

5 Matching questions

  1. free energy
  2. habitat
  3. energy
  4. chemosynthesis
  5. bile
  1. a the portion of chemical energy that is available to do work
  2. b a biochemical pathway that uses energy from the oxidation of inorganic substances to drive the formation of organic molecules
  3. c the capacity to do work or to cause change
  4. d type of place where an organism lives
  5. e a secretion of the liver stored in the gallbladder and released through a duct in the small intestine; breaks large fat droplets into smaller ones that enzymes can act on more efficiently

5 Multiple choice questions

  1. a process by which wavelike contractions of the muscles of the asophagus move food to the stomach
  2. organisms that obtain energy and nutrients from other organisms, living or dead (e.g. animals, fungi, most bacteria)
  3. catalysts; specialized proteins that lower the activation energy required to make a reaction proceed
  4. the removal of electrons from a molecule
  5. "building-up" reactions; type of metabolism

5 True/False questions

  1. fecesthe waste material expelled from the digestive tract and eliminated through the anus


  2. 1st law of thermodynamics(derived from the principle of the conservation of energy): energy can be neither created no detroyed, but it can be transferred or transformed


  3. salivary amylasean enyzme in saliva that begins digestion of starch; converts starch to dissarcharides


  4. photoautotrophsautotrophs that perform chemosynthesis


  5. entropya measure of the degree of disorganization of a system OR how much energy in a system has become so dispersed that it is no longer available to do work


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