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5 Written questions

5 Matching questions

  1. Chemical change
  2. Hydrogen bond
  3. Dehydration reaction
  4. Hydrolysis
  5. Model
  1. a Breaking down complex molecules by the chemical addition of water.
  2. b A strong attraction between hydrogen atoms and certain other atoms (usually oxygen or nitrogen) in specific molecules.
  3. c An explanation or representation of something that cannot be seen.
  4. d A chemical reaction in which molecules combine by removing water.
  5. e A change that alters the makeup of the elements or molecules of a substance.

5 Multiple choice questions

  1. A bond that links amino acids together in a protein.
  2. The random motion of molecules from an area of high concentration to an area of low concentration.
  3. Two different molecules that have the same chemical formula.
  4. A molecule that contains only carbon and any of the following: hydrogen, oxygen, nitrogen, sulfur, and/or phosphorous.
  5. A measurement of how much solute exists within a certain volume of solvent.

5 True/False questions

  1. Saturated fatA lipid made from fatty acids that have at least one double bond between carbon atoms.


  2. ElementTwo different molecules that have the same chemical formula.


  3. PolysaccharidesCarbohydrates that are made up of more than two monosaccharides.


  4. BiosynthesisThe process by which living organisms produce larger molecules from smaller ones.


  5. DisaccharidesSimple carbohydrates that contain 3 to 10 carbon atoms.


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