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of 36 available terms

5 Written Questions

5 Matching Questions

  1. amino acid
  2. protein
  3. electron
  4. active site
  5. acid
  1. a specific place where a substrate binds on an enzyme.
  2. b substance that releases hydrogen ions (H+) when dissolved in water; an acidic solution has a pH less than 7.
  3. c organic compound made of amino acids joined by peptide bonds; primary building block of organisms.
  4. d carbon compound joined by peptide bonds; building block of proteins.
  5. e negatively charged particle that occupies space around an atom's nucleus.

5 Multiple Choice Questions

  1. particle without a charge in an atom's nucleus
  2. hydrophobic biological molecule composed mostly or carbon and hydrogen; fats, oils, and waxes are lipids
  3. substance that exists before a chemical reaction starts; located on the left side of the arrow in a chemical reaction.
  4. substance that releases hydroxide ions (OH-) when dissolved in water; a basic solution has a pH greater than 7.
  5. large molecule formed from smaller repeating units or identical, or nearly identical, compounds linked by covalent bonds.

5 True/False Questions

  1. nucleuscenter of an atom; contains neutrons and protons. In eukaryotic cells, the central membrane-bound organelle that manages cellular functions and contains DNA

          

  2. carbohydrateorganic compound containing carbon, hydrogen, and oxygen in a ratio of on oxygen and two hydrogen atoms for each carbon atom.

          

  3. enzymelarge molecule formed from smaller repeating units or identical, or nearly identical, compounds linked by covalent bonds.

          

  4. nucleic acidcomplex macromolecule that stores and communicates genetic information.

          

  5. buffersubstance that releases hydroxide ions (OH-) when dissolved in water; a basic solution has a pH greater than 7.

          

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