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5 Written questions

5 Matching questions

  1. diffusion
  2. chlorophyll
  3. molecules
  4. enzymes
  5. osmosis
  1. a a type of protein that speeds up a chemical reaction.
  2. b diffusion of water through a selectively permeable membrane
  3. c process by which molecules tend to move from an area where they are more concentrated to an area where they are less concentrated
  4. d the smallest unit of a compound.
  5. e main ingredient found in chloroplasts

5 Multiple choice questions

  1. any substance that cannot be broken down into simpler substances
  2. The smallest unit of an element
  3. a doubled rod of condensed chromatin
  4. the process by which cells withdraw energy from glucose
  5. small molecules that make up proteins

5 True/False questions

  1. organic compoundscompounds that do not contain carbon


  2. proteinsa colored chemical compound that absorbs light


  3. pigmenta colored chemical compound that absorbs light


  4. compoundeach identical rod, or strand, or the chromosome


  5. fermenationAn energy releasing process that does not require oxygen


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