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5 Written questions

5 Matching questions

  1. Substrate
  2. Mass Number
  3. Active Site
  4. Nucleic Acid
  5. Acid
  1. a A long chain of smaller molecules called nucleotides
  2. b Site on an enzyme that attaches to a substrate
  3. c The number of protons plus the number of neutrons.
  4. d Compound that Increases the concentration of hydrogen ions (h+) in solution
  5. e The substance on which an enzyme acts during a chemical reaction.

5 Multiple choice questions

  1. Caused by the attraction between water molecules; prevents the surface of water from easily breaking.
  2. The attraction between substances of the same kind.
  3. What dissolves the solute - usually water
  4. Substances that increase the speed of chemical reactions ( usually a protein, Lowers activation energy )
  5. The smallest unit of matter that can not be broken down by chemical means.

5 True/False questions

  1. ProteinLarge complex compounds that contain carbon, hydrogen, oxygen, and nitrogen

          

  2. SoluteA mixture in which one or more substances is evenly distributed in another substance

          

  3. CompoundA substance made of the joined atoms of two or more different elements.

          

  4. SolutionA mixture in which one or more substances is evenly distributed in another substance

          

  5. CatalystSubstances that reduce the activation energy of a chemical reaction

          

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