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5 Written questions

5 Matching questions

  1. Enzyme
  2. Active Site
  3. Nucleic Acid
  4. Carbohydrate
  5. Element
  1. a Organic compounds made of carbon, hydrogen, and oxygen atoms.
  2. b A long chain of smaller molecules called nucleotides
  3. c Site on an enzyme that attaches to a substrate
  4. d Substances that increase the speed of chemical reactions ( usually a protein, Lowers activation energy )
  5. e Substances made up of only one kind of atom

5 Multiple choice questions

  1. Nonpolar molecules that are not solube in water ( can dissolve )
  2. The attraction between substances of the same kind.
  3. A substance made of the joined atoms of two or more different elements.
  4. The substance on which an enzyme acts during a chemical reaction.
  5. Forms when 2 or more atoms share electrons to form a molecule

5 True/False questions

  1. Surface TensionCaused by the attraction between water molecules; prevents the surface of water from easily breaking.

          

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

          

  3. AdhesionThe attraction between substances of the same kind.

          

  4. AcidThe smallest unit of matter that can not be broken down by chemical means.

          

  5. Atomic NumberThe number of protons plus the number of neutrons.