Chapter 6 iWork (Vocab Crossword)

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Across
  1. 3. an organism that produces its own nutrients from inorganic substances or from the environment instead of consuming other organisms
  2. 4. the process by which plants, algae, and some bacteria use sunlight, carbon dioxide, and water to produce carbohydrates and oxygen
  3. 5. the initial reactions in photosynthesis, which are triggered by the absorption of light by photosystems I and II and include the passage of electrons along the electron transport chains, the production of NADPH and oxygen gas, and the synthesis of ATP through chemiosmosis
  4. 8. a series of molecules, found in the inner membranes of mitochondria and chloroplasts, through which electrons pass in a process that causes protons to build up on one side of the membrane
  5. 10. a biochemical pathway of photosynthesis in which carbon dioxide is converted into glucose using ATP
  6. 13. the synthesis of organic compounds from carbon dioxide, such as in photosynthesis
  7. 14. a membrane system found within chloroplasts that contains the components for photosynthesis
  8. 15. in chloroplasts and mitochondria, a process in which the movement of protons down their concentration gradient across a membrane is coupled to the synthesis of ATP
  9. 16. one of many openings in a leaf or a stem of a plant that enable gas exchange to occur
  10. 17. in the thylakoid membranes of chloroplasts, a cluster of chlorophyll and other pigment molecules that harvest light energy for the light reactions of photosynthesis
Down
  1. 1. a stack of thylakoids in a chloroplast
  2. 2. a water-conserving, carbon-fixing process; CAM plants take in carbon at night and fix it into various organic compounds and release it during the day
  3. 4. in chloroplasts, an acceptor of electrons lost from chlorophyll
  4. 6. a substance that gives another substance or a mixture its color.
  5. 7. a class of pigments that are present mostly in plants that aid in photosynthesis
  6. 9. an organism that obtains organic food molecules by eating other organisms or their byproducts and that cannot synthesize organic compounds from inorganic materials
  7. 10. an organelle found in lant and algae cells where photosynthesis occurs
  8. 11. a green pigment that is present in most plant and algae cells and some bacteria that gives platns their characteristic green color, and that absorbs light to provide energy for photosynthesis
  9. 12. The metabolic pathway followed in the light-independent phase of photosynthesis