1. A.The protein (enzyme) will work faster B.The protein (enzyme) will work slower or not at all. C.The nucleic acid will work faster D.The nucleic acid will work slower or not at all Which of the following would happen if the active site changed shape? X

2. What does X represent? X Enzyme

3. What happens to the substrate when the enzyme acts on it? X Breaks down into products

4. A.temperature B.Concentration C.pH D.color Which of the following does not affect enzyme activity?

5. Greg is testing the effect fertilizer has on pumpkins. His experiment requires 20 pumpkins. 10 pumpkins were given the 10 mL of water and 10 mL of fertilizer. What should be done with the other 10 pumpkins? A.Add 10 mL of a different fertilizer B.Add 10 mL of water C.Don’t water them D.Give them 10 mL of sugar and water

6. A.water B.Pumpkin growth C.fertilizer D.The amount of fertilizer Greg is testing the effect fertilizer has on pumpkin growth. His experiment requires 20 pumpkins. 10 pumpkins were given the 10 mL of water and 10 mL of fertilizer. What is the independent variable in this experiment?

7. A.Perform the same experiment and get different results. B.Repeat the experiment with a different fertilizer. C.Repeat the same experiment with the same results. D.Perform the same experiment with squash. Greg is testing the effect fertilizer has on pumpkin growth. His experiment requires 20 pumpkins. 10 pumpkins were given the 10 mL of water and 10 mL of fertilizer. If Greg’s results are valid then what should other students be able to do?

8. Which of the following is an unsafe lab practice? A.Tie your hair back B.Rinse hands after an experiment C.Wear goggles D.Heat chemicals in a closed beaker

9. A.DNA B.Cell membrane C.Mitochondria D.Ribosomes Which of the following do eukaryotic & prokaryotic cells NOT have in common?

10. What is the function of structure 11? Maintains homeostasis

11. A.Prokaryotic B.Eukaryotic C.Bacteria D.Viral The picture below shows a cell with membrane bound organelles and a nucleus. Which of the following describes this cell?

12. A.Structure 3 B.Structure 6 C.Structure 7 D.Structure 5 Which of the following organelles converts sugar into energy?

13. A.Structure 3 B.Structure 1 C.Structure 7 D.Structure 5 Which of the following organelles makes proteins?

14. A.Structure 3 B.Structure 1 C.Structure 7 D.Structure 5 Which of the following organelles contain the information that passes from parent to offspring?

15. A.Carbohydrates B.Lipids C.Nucleic acids D.Proteins Which macromolecule supplies energy?

16. A.Carbohydrates B.Lipids C.Nucleic acids D.Proteins Which macromolecule is described below: Made of fatty acids

17. A.Carbohydrates B.Lipids C.Nucleic acids D.Proteins Which macromolecule is described below: Tested using the brown paper bag test

18. A.Sugars B.Nucleic acids C.Fatty acids D.Nucleotides What is the subunit for DNA?

19. A.Lipids B.Nucleic acids C.Proteins D.Carbohydrates Which type of macromolecule is starch?

20. A.Carbon B.Phosphorus C.Nitrogen D.Helium Which of the following are elements not found in macromolecules?