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5 Written questions

5 Matching questions

  1. Atomic Number
  2. Substrate
  3. Active Site
  4. Solution
  5. Activation Energy
  1. a The substance on which an enzyme acts during a chemical reaction.
  2. b The number of protons in the nucleus of an element.
  3. c The energy needed to start a chemical reaction
  4. d Site on an enzyme that attaches to a substrate
  5. e A mixture in which one or more substances is evenly distributed in another substance

5 Multiple choice questions

  1. An element that has gained or lost one or more electrons.
  2. What dissolves the solute - usually water
  3. Substances made up of only one kind of atom
  4. A long chain of smaller molecules called nucleotides
  5. A substance made of the joined atoms of two or more different elements.

5 True/False questions

  1. MoleculeA group of atoms held together by convalent bonds

          

  2. AtomCompound that Increases the concentration of hydrogen ions (h+) in solution

          

  3. BaseCompound that Increases the concentration of hydrogen ions (h+) in solution

          

  4. AcidNonpolar molecules that are not solube in water ( can dissolve )

          

  5. LipidCompound that Increases the concentration of hydrogen ions (h+) in solution

          

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