Biology A Unit 5 Lesson 2: Photosynthesis

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Across
  1. 2. adenosine di-phosphate; a lower energy, intermediate molecule used to convert to ATP by adding a third phosphate group
  2. 4. green pigment that captures the energy from the sun
  3. 5. organelle in a green plant cell that conducts photosynthesis
  4. 6. nicotinamide adenine dinucleotide phosphate; an electron carrier molecule that accepts two high-energy electrons and one hydrogen ion to become NADPH (2 words)
  5. 8. fluid-filled space that surrounds the stacks of thylakoids inside the chloroplast, within which the light-independent reactions of photosynthesis occur
  6. 12. a protein that creates ATP from ADP during photosynthesis (2 words)
  7. 13. sack-like structure surrounded by a membrane inside chloroplasts where the light-dependent reactions of photosynthesis occur
  8. 14. a series of reactions that do not require the presence of light energy and that take the carbon from carbon dioxide and convert it to carbohydrates (glucose), amino acids, and other compounds (3 words)
  9. 15. a series of reactions that take the light energy that is captured by the chlorophyll and convert it into chemical energy in the form of NADPH and ATP; consists of photosystem II, the electron transport chain, photosystem I and hydrogen ion movement and formation of ATP (3 words)
Down
  1. 1. system by which high-energy electrons are moved to photosystem I and hydrogen ions are pumped into the inside of the thylakoid during photosynthesis (3 words)
  2. 3. protein complex where the transfer of hydrogen ions to NADP+ to make NADPH occurs during photosynthesis (1 = I)
  3. 7. protein complex where light is absorbed, water is split, hydrogen ions are created, and oxygen is released during photosynthesis (2 = II)
  4. 9. adenosine tri-phosphate: a molecule that carries energy inside cells and is the energy currency of a cell; a product of the light-dependent reactions of photosynthesis
  5. 10. nicotinamide adenine dinucleotide phosphate hydrogen; a product of the light-dependent reactions of photosynthesis used to power some of the reactions in the light-independent stage of photosynthesis
  6. 11. process that transforms light energy into stored chemical energy