Cellular Metabolism Review

1. What are the initial reactants in photosynthesis _______________ and ______________________

2. What are the final main products in photosynthesis __________________ and __________________

3. Why did you blow into a beaker? _____________________________________________

4. How was the measurement of CO₂ accomplished? ________________________________________

5. The measurement of pH in the water indicates what compound has been created? _______________

6. If photosynthesis has occurred what would happen to the pH reading (would it increase or decrease)?

______________

7. Why was one beaker put into the light without any plant? _______________________________

8. Did the pH increase or decrease with the plant under the green filter? ___________________________

9. The plant put into the darkness did the pH increase or decrease during the experiment? _____________

10. Which colors provided the similar results to the results under full light? _____________________________________________________________________

11. What evidence do you have that any photosynthesis occurred in the experiment? _________________________________________________________________________

12. What color would the following wavelengths be: 450nm ___________________ 700nm ____________

13. Why is chlorophyll green? _________________________________________________

14. What color would a wavelength of 1000nm be? _________________________________

15. What colors should not be visible when you use the spectroscope to examine an extract of chlorophyll from spinach on a chromatographic strip? ______________________________________________________

16. The chromatographic strip with a stain of spinach on it and placed into a chromatography solvent will have the components of the spinach migrate along the length of the strip. What determines the position of the components along the length? _____________________________________________________

17. The placement of Chlorophyll A and Chlorophyll B along the strip suggests that Chlorophyll ____ is heavier.

18. The changes in pH in the beaker with the small fishes over time suggest what gas is changing? ________________

19. The fishes are considered ectothermic, what does that mean? _________________________________________________________________________________

20. The larger fish was observed in room temperature water and colder water, how did the breathing rate change?________________________________________________________________