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5 Written questions

5 Matching questions

  1. Chemical change
  2. Osmosis
  3. Saturated fat
  4. Polysaccharides
  5. Biosynthesis
  1. a A lipid made from fatty acids that have no double bonds between carbon atoms.
  2. b A change that alters the makeup of the elements or molecules of a substance.
  3. c The tendency of a solvent to travel across a semipermeable membrane into areas of higher solute concentration.
  4. d The process by which living organisms produce larger molecules from smaller ones.
  5. e Carbohydrates that are made up of more than two monosaccharides.

5 Multiple choice questions

  1. Carbohydrates that are made up of two monosaccharides.
  2. A lipid made from fatty acids that have at least one double bond between carbon atoms.
  3. A change that affects the appearance but not the chemical make-up of a substance.
  4. Simple carbohydrates that contain 3 to 10 carbon atoms.
  5. A substance that alters the speed of a chemical reaction but is not used up in the process.

5 True/False questions

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

          

  2. Hydrogen bondA strong attraction between hydrogen atoms and certain other atoms (usually oxygen or nitrogen) in specific molecules.

          

  3. HydrolysisLacking any affinity to water.

          

  4. Organic moleculeA molecule that contains only carbon and any of the following: hydrogen, oxygen, nitrogen, sulfur, and/or phosphorous.

          

  5. Semipermeable membraneA change that alters the makeup of the elements or molecules of a substance.