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5 Written questions

5 Matching questions

  1. Enzyme
  2. Base
  3. Ion
  4. Substrate
  5. Active Site
  1. a The substance on which an enzyme acts during a chemical reaction.
  2. b Compound that Reduces the concentration of hydrogen ions (increases (OH-))
  3. c An element that has gained or lost one or more electrons.
  4. d Substances that increase the speed of chemical reactions ( usually a protein, Lowers activation energy )
  5. e Site on an enzyme that attaches to a substrate

5 Multiple choice questions

  1. The number of protons plus the number of neutrons.
  2. What dissolves the solute - usually water
  3. Substance that is dissolved
  4. The smallest unit of matter that can not be broken down by chemical means.
  5. Compound that Increases the concentration of hydrogen ions (h+) in solution

5 True/False questions

  1. CohesionAn attraction between different substances (why things get wet)

          

  2. Convalent BondForms when 2 or more atoms share electrons to form a molecule

          

  3. MoleculeSubstance that is dissolved

          

  4. ProteinAn element that has gained or lost one or more electrons.

          

  5. AdhesionAn attraction between different substances (why things get wet)