11 Biology End Term 1 Review

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Across
  1. 1. type of diffusion that gases such as oxygen do
  2. 5. organelle that contains digestive enzymes within the cell
  3. 8. type of reaction that results in smaller substrates
  4. 10. stem cells have this potency if they can only become one type of cell
  5. 14. cells are often funny shapes to increase this
  6. 15. the process of adding more substances to the nephron filtrate from the blood
  7. 17. the process that stem cells undergo to give rise to more cells
  8. 18. enzymes will do this if they are heated to high temperatures
  9. 20. blood vessels that take blood back to the heart
  10. 22. biomolecule that can provide structural support (e.g. cellulose)
  11. 23. system that includes the lungs
  12. 25. enzyme that catabolises proteins into amino acids
  13. 26. type of bulk active transport out of the cell
  14. 27. DNA is found here in eukaryotes
Down
  1. 2. part of the nephron where only salt and water are selectively reabsorbed
  2. 3. organelle present in both eukaryotes and prokaryotes
  3. 4. net transport of water into/out of cells
  4. 6. how many cells thick the villi and capillaries are
  5. 7. stem cells do this in order to become specialised cells
  6. 9. part of the enzyme that binds the substrate
  7. 11. model of enzyme activity that proposes that small shape changes occur during binding
  8. 12. collection of substances that the blood carries away from cells to the excretory system
  9. 13. speed that blood travels in the capillaries
  10. 16. a group of similar cells that work together to perform a specific function
  11. 19. process where nutrients are moved into the blood from the digestive system
  12. 21. energy that is reduced by enzymes
  13. 24. energy form required for active transport