Cell Energy Ch. 8 & 9

3. Process by which cells release energy in the absence of oxygen
4. First step in releasing the energy of glucose
5. The principal pigment of plants that captures light energy
9. Saclike photosynthetic membrane found in chloroplasts
10. Reactions of PSN that use energy from light to produce ATP and waste oxygen
12. A light absorbing molecule
13. A shortage of _______ can affect the rate of the light reactions of PSN
15. One of the principal chemical compounds that living things use to store and release energy
16. Second stage of cellular respiration in which pyruvate is broken down into CO2 and ATP
17. Process that does not require oxygen
21. Process that requires oxygen
22. A product that is produced by muscle cells when there isn't enough oxygen present
23. Organism that can capture energy from the sun and use it to produce its own food
24. A product that is produced in yeast when oxygen isn't present
25. Differing temperatures can affect _____ and slow down or speed up the rate of PSN.

1. The organelle in which PSN takes place
2. Process by which plants and some other organisms use light energy to convert CO2 and water into glucose and oxygen
6. The organelle in which cellular respiration takes place
7. Process that releases energy by breaking down glucose in the presence of oxygen
8. Two of these are created at the end of glycolysis
11. ATP is often compared to a fully charged _______
14. Organism that obtains energy from foods it consumes
18. Reactions of PSN in which CO2 and ATP from light reactions is used to make glucose
19. A shortage of ______ can affect the rate of the Calvin cycle
20. Plants use ____ energy from the sun to produce food