Unit 3 Vocab

5. process that does not require energy
6. amount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius
7. process that requires oxygen
9. light-collecting units of the chloroplasts
10. reactions of photosynthesis that use energy from light to produce ATP and NADPH
12. sac-like photosynthetic membrane found in chloroplasts
14. process that releases energy by breaking down glucose and other food molecules in the presence of oxygen
16. region outside the thylakoid membranes in chloroplasts
17. large protein that uses energy from H+ ions to bind ADP and a phosphate group together to produce ATP
19. process by which cells release energy in the absence of oxygen
20. one of the carrier molecules that transfers high-energy electrons from chlorophyll to other molecules
21. one of the principle chemical compounds that living things use to store and release energy
22. light-absorbing molecule

1. principle pigment of plants other photosynthetic organisms; captures light energy
2. second stage of cellular respiration, in which pyruvic acid is broken down into carbon dioxide in a series of energy-extracting reactions
3. first stepin releasing the energy of glucose, in which a molecule of glucose is broken into two molecules of pyruvic acid
4. organism that obtains energy from the food it comsumes
8. a series of proteins in which the high-energy electrons from the Krebs cycle are used to convert ADP into ATP
11. electron carrier involved in glycolysis
13. reactions of photosynthesis in which energy from ATP and NADPH is used to build high-energy compounds such as sugars
15. process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and high-energy carbohydrates such as sugars and starches
18. organism that can capture energy from sunlight or chemicals and use it to produce its own food from inorganic compounds