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5 Written questions

5 Matching questions

  1. active site
  2. embryo
  3. chemoautotrophs
  4. 2nd law of thermodynamics
  5. chemical digestion
  1. a energy transfers and transformations increase the entropy of the universe
  2. b autotrophs that perform chemosynthesis
  3. c an organism in its earliest stages of development
  4. d the breaking down of complex food molecules into simpler ones
  5. e the portion of an enzyme that attaches to the substrate through weak chemical bonds

5 Multiple choice questions

  1. the inactive form of pepsin
  2. the process by which cells use light energy to make organic compounds from inorganic materials
  3. living systems can conserve and use some of the energy released in chemical reactions
  4. the outer portion of Earth - air, water, soil - where life is found
  5. the breakdown of large pieces of food into smaller ones; increases surface area of food making chemical digestion easier

5 True/False questions

  1. bioenergeticsthe process of taking food into the digestive tract


  2. catalystschemicals that lower activation energies


  3. metabolismthe chemical activities and changes that take place in a cell or organism


  4. chemical workinclude movement


  5. ATPrelating to a living component of an ecosystem