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5 Written questions

5 Matching questions

  1. Osmosis
  2. Semipermeable membrane
  3. Biosynthesis
  4. Molecules
  5. Saturated fat
  1. a Chemicals that result from atoms linking together.
  2. b The tendency of a solvent to travel across a semipermeable membrane into areas of higher solute concentration.
  3. c A membrane that allows some molecules to pass through but does not allow other molecules to pass through.
  4. d The process by which living organisms produce larger molecules from smaller ones.
  5. e A lipid made from fatty acids that have no double bonds between carbon atoms.

5 Multiple choice questions

  1. An explanation or representation of something that cannot be seen.
  2. Anything that has mass and takes up space.
  3. A chemical reaction in which molecules combine by removing water.
  4. A collection of atoms that all have the same number of protons.
  5. A change that affects the appearance but not the chemical make-up of a substance.

5 True/False questions

  1. Chemical changeA change that alters the makeup of the elements or molecules of a substance.

          

  2. Hydrogen bondLacking any affinity to water.

          

  3. ConcentrationThe random motion of molecules from an area of high concentration to an area of low concentration.

          

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

          

  5. DiffusionThe random motion of molecules from an area of high concentration to an area of low concentration.

          

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