Biology  by Bradford
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Enzymes and cellular energy: grass skirts

20 quick questions on AP Biology topics 3.1 Enzymes, 3.2 Environmental Impacts on Enzyme Function and 3.3 Cellular Energy, each answered in a word or two. Print a sheet for each team, a key for the checker and a tick sheet, then tape the sheets to the board and race.

How it runs

  1. SnipA runner cuts one strip off the bottom of their team’s sheet.
  2. Answer as a pairBack at the table, they write the answer on the strip. No books.
  3. Get it checkedThe checker reads it against the key: you, or a student holding it.
  4. Back for the nextA tick earns the next strip. Wrong? Back to the table to try again.

The questions on this sheet

The checker’s key, with every answer, prints with the sheets.
  1. General name for a protein catalyst
  2. Region of an enzyme where substrate binds
  3. Reactant an enzyme acts on
  4. Hump an enzyme lowers to speed a reaction
  5. Shape loss from high heat or extreme pH
  6. Warmth at which an enzyme works fastest
  7. Acidity at which an enzyme works fastest
  8. Cell's main energy currency
  9. Active site reshaping as substrate binds
  10. Brief pairing of catalyst and reactant
  11. Mimics the substrate and blocks the site
  12. Binds elsewhere, warping the active site
  13. Where regulators bind, away from substrate
  14. Inorganic helper such as Mg²⁺ or Zn²⁺
  15. Organic helper derived from a vitamin
  16. All active sites busy, so rate plateaus
  17. Exergonic step powering an endergonic one
  18. Releasing free energy, ΔG below zero
  19. Taking in free energy, ΔG above zero
  20. Measure of disorder in a system

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