CB6

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Across
  1. 2. The overall movement of solvent molecules in a solution across a partially permeable membrane, from a dilute solution to a more concentrated one.
  2. 3. The type of sugar found in the phloem of plants and used as table sugar.
  3. 5. Ion from a naturally occurring salt.
  4. 12. A device used for measuring the rate of water uptake by a plant.
  5. 13. Tall, column-shaped cell near the upper surface of a plant leaf.
  6. 16. The transport of sugars (mainly sucrose) and other soluble compounds in the phloem tissue of a plant.
  7. 18. A specialised cell located in the phloem tissue of plants. They pump sucrose into sieve cells.
  8. 22. A long-chain molecule made by joining many smaller molecules (monomers) together.
  9. 27. An organism such as a plant that makes its own food using photosynthesis.
  10. 28. A pair of _____cells open and close plant stomata.
  11. 30. A series of enzyme-catalysed reactions carried out in the green parts of plants. Carbon dioxide and water combine to form glucose. This process requires energy transferred by light.
  12. 31. A single factor that, when in short supply, can limit the rate of a process such as photosynthesis.
  13. 33. A tiny pore in the lower surface of a leaf, which, when open, allows gases to diffuse into and out of the leaf.
  14. 34. The random movement and spreading of particles. There is a net (overall) _________of particles from regions of higher concentration to regions of lower concentration.
Down
  1. 1. A series of reactions occurring in all living cells, in which glucose is broken down to release energy.
  2. 4. The amount of something found in a certain volume of another substance. For example, the amount of a solute dissolved in a certain volume of solvent.
  3. 6. How quickly something happens.
  4. 7. The sugar produced by photosynthesis and needed for respiration.
  5. 8. A polymer made up of amino acids.
  6. 9. Plant cell walls are made of tough ________, which support the cell and allow it to keep its shape.
  7. 10. A process in which one gas diffuses across a membrane and another gas diffuses in the opposite direction.
  8. 11. A compound that contains nitrogen in the form of a nitrate ion.
  9. 14. A polymer carbohydrate that is made by the joining together of glucose molecules.
  10. 15. A liquid or a gas.
  11. 17. The movement of particles across a cell membrane from a region of lower concentration to a region of higher concentration (against the concentration gradient). This process requires energy.
  12. 19. A green disc containing chlorophyll, found in plant cells. This is where the plant makes glucose through photosynthesis.
  13. 20. Living tissue formed of sieve tubes and companion cells that transports sugars and other soluble compounds around a plant.
  14. 21. An organism that belongs to a kingdom of eukaryotic and mainly single-celled organisms.
  15. 23. The total mass in living organisms, usually shown as the mass after drying.
  16. 24. A diagram that uses arrows to show the flow of energy through organisms that depend on each other for food.
  17. 25. A type of reaction in which energy from the surroundings is transferred to the products, e.g. photosynthesis.
  18. 26. The flow of water into a root, up the stem and out of the leaves.
  19. 29. A type of polymer that is combined with cellulose in some plant cell walls to make the cells woody, e.g. in xylem cells.
  20. 32. A substance in a large group of compounds that includes fats and oils.