Chapter 4 Crossword #1

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Across
  1. 2. describes the pathway that requires a net energy input to synthesize complex molecules from simpler ones
  2. 4. (also, adenosine triphosphate) the cell’s energy currency
  3. 6. the science of the relationships between heat, energy, and work
  4. 7. the movement of hydrogen ions down their electrochemical gradient across a membrane through ATP synthase to generate ATP
  5. 9. describes a chemical reaction that results in products with less chemical potential energy than the reactants, plus the release of free energy
Down
  1. 1. the steps that follow the partial oxidation of glucose via glycolysis to regenerate NAD+; occurs in the absence of oxygen and uses an organic compound as the final electron acceptor
  2. 3. describes a chemical reaction that results in products that store more chemical potential energy than the reactants
  3. 5. describes the pathway in which complex molecules are broken down into simpler ones, yielding energy as an additional product of the reaction
  4. 8. all the chemical reactions that take place inside cells, including those that use energy and those that release energy
  5. 10. a molecule that catalyzes a biochemical reaction