Photosynthesis Study Guide BI



Photosynthesis Study Guide


Give several examples of life processes that require energy.
What is the major light absorbing pigment in plants?
What two things are formed by plants when carbon dioxide & water are combined using sunlight as the energy?
Clusters of light absorbing pigments located in the thylakoid membranes of a chloroplast are called what?
Do all organisms require energy?
Are all wavelengths of sunlight absorbed by a plant to make sugar? Explain. 
Only ___________, not heterotrophs, carry on photosynthesis.
When the products of one chemical reaction are used as the reactants for the next reaction, the series of reactions is known as a ___________________ pathway.
Plants cells use light to make what two energy carrying molecules?
What sugar is the final product of photosynthesis?
Electrons are transported from one molecule to another by __________ atoms.
Can the dark reactions of photosynthesis occur during the daytime or only in the dark?
C4 and CAM plants use less water to make sugar than __________ plants.
How do heterotrophs obtain their energy?
What is the original source of energy for all living things on earth?
Stacks of thylakoids called grana are suspended in the fluid inside chloroplasts called __________.
Light travels to plants as tiny packets of radiant energy called _________.
Chlorophyll of plants looks green because green light is ______________ to your eye.
What happens to the electrons of chlorophyll when they are stuck by sunlight?
What gas is put back into our atmosphere by photosynthesis?
Complex carbohydrates are made during what cycle during photosynthesis?
What pigments give flower petals their colors?
Electrons raised to a higher energy level when struck by light enter what chain?
What important energy carrier molecule in photosynthesis picks up hydrogen atoms?
Oxygen made during photosynthesis comes from the splitting of what molecule?


Photosynthesis & Respiration Study Guide

Photosynthesis & Cellular Respiration Study Guide


1. Name 3 life processes that use energy.

2. What are heterotrophs?

3. What is the ultimate energy for all life on earth?

4. What is photosynthesis?

5. Where are grana found in a chloroplast?

6. What is a biochemical pathway?


7. Solar energy is converted into what type of energy in photosynthesis?

8. What is the function of chlorophyll?


9. Name 3 things that can happen to light that strikes an object.


10. Explain why chlorophyll looks green.


11. What happens to a chlorophyll molecule that absorbs light energy?

12. What happens to the energized electrons of chlorophyll?


13. What is the source of oxygen produced during photosynthesis?

14. What two products of the light reactions provide energy for the Calvin cycle?

15. Can the Calvin cycle take place if light is present? if light is absent?

16. What atmospheric gas is a byproduct of photosynthesis?

17. When during photosynthesis is glucose made?

18. What are the 2 energy sources for the Calvin Cycle?

19. Where does the carbon in organic molecules come from?

20. Heterotrophs depend indirectly on _________ fro energy.

21. When food is broken down, energy is TEMPORARILY stored in what molecule?

22. All organisms use ________ as their energy molecule.

23. Oxygen produced during ___________ is used during _________________.

24. What is the effect of lactic acid on muscles?

25. When do muscles form lactic acid?

26. Glucose is split during what process?

27. Two molecules of what form from the splitting of glucose?

28. How much ATP is made from the initial splitting of glucose in the cytoplasm?

29. What is the anaerobic respiration of carbohydrates called?

30. Name the 2 main stages in cellular respiration.

31. ___________ respiration only occurs in the presence of oxygen.

32. NADPH is formed during what process?

33. NADH is formed during what process?

34. The Krebs cycle occurs in what process?

35. the Calvin cycle occurs in what process?

36. Water is the end product of what process?

37. At the end of the ETC, what gas is added to form water?

38. In cellular respiration, the most ATP is generated during the ___________.

39. What 2 energy carriers enter the ETC in cellular respiration?

40. Be able to define autotrophs & heterotrophs and to give examples of each.