Transport in Plants - Key Terms Revision

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Across
  1. 3. Waterproof woody substance that gives strength to the walls of xylem vessels.
  2. 4. A devise used to measure the rate of transpiration in a leafy cutting.
  3. 5. Meristematic tissue in roots containing stem cells which produce xylem and phloem tissue.
  4. 8. the evaporative water loss from the leaves of a plant via stomata.
  5. 10. The pathway by which water moves between cells and through porous cell walls.
  6. 12. The perforated end walls of sieve tube elements/cells.
  7. 14. Meristematic tissue in stems containing stem cells which produce xylem and phloem tissue.
  8. 15. Pits in the walls of sieve tube elements that links their cytoplasm to that of companion cells.
  9. 17. The pressure that produces the mass flow of assimilates through sieve tubes from source to sink.
Down
  1. 1. Any tissue where assimilates are removed from sieve tubes and used or stored.
  2. 2. band of tissue around the vascular bundle of a root which forces water to move by the symplast and vacuolar pathways.
  3. 6. The process by which Nitrates enter root hair cells.
  4. 7. Any tissue where assimilates are produced and loaded into sieve tubes.
  5. 9. The mechanism of transport of assimilates in sieve tubes.
  6. 11. The pathway by which water moves through the cytoplasm of cells.
  7. 13. The main assimilate transported in sieve tubes.
  8. 16. Waxy waterproof substance that forms the casparian strip.