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AP Biology Labs 1-2 Take-Home Exam

AP Exam time is fast approaching! Try these teacher-tested, take-home tests to let your students determine their readiness for the upcoming exams. These are great for review after each lab or as a group as a final review.

Lab 1 (Diffusion and osmosis)

  1. Some potato cores are placed into different molar solutions. Create a graph of the expected change in mass of the cores for the different concentrations.



  2. List the 2 components affecting the water potential of a system.

  3. A)


    B)



  4. Would a cell placed into a hypertonic solution shrink, swell, or stay the same?


  5. Would a cell placed into a hypotonic solution shrink, swell, or stay the same?


  6. Would a cell placed into an isotonic solution shrink, swell, or stay the same?


  7. What is plasmolysis?




Lab 2 (Enzyme Catalysis)

  1. What do enzymes do?


  2. What was the substrate in this experiment? _________________


  3. What was the purpose of the H2SO4 and how did it work?


  4. Is the consumption of substrate linear? (yes or no)_______


  5. In general, does raising the temperature of a solution cause the reaction rate to increase or decrease?_____________


  6. Create a graph of the amount of product formed over time as a result of an enzymatic reaction.


Index to Exams

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