What are enzymes?

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Across
  1. 3. ________ are positive regulators of enzymes.
  2. 4. This organelle is a site of protein synthesis.
  3. 5. ________ are negative regulators of enzymes.
  4. 7. ________ is the molecule that the enzyme works on.
  5. 8. What is an organelle that the animal cells have that the plant cells do not have?
  6. 11. What synthesizes and stores starch in plants?
  7. 16. What is an organelle that the plant cells have that the animal cells do not have?
  8. 17. Intra-cellular enzymes are the enzymes found inside our cells. Extracellular enzymes are the enzymes found ________ our cells.
  9. 18. Enzymes are biological ________. This means that they speed up the chemical reactions in living things.
  10. 20. What color are chloroplasts?
  11. 22. This organelle is used to transport things in the cell.
  12. 25. ____________ inhibition occurs when an area other than the active site is bound by another molecule. The binding of this molecule changes the shape of the enzyme so that the substrate cannot enter the active site.
  13. 27. _________ is an example of a prokaryotic cell.
Down
  1. 1. What is the site of digestion in animal cells?
  2. 2. __________ cells are simple cells with no nucleus.
  3. 6. __________: A characteristic of living things where there is a constant internal environment.
  4. 8. _________ inhibition occurs when the active site is bound to another molecule. When bound, the substrate can no longer enter the active site.
  5. 9. Where the ribosomes are made.
  6. 10. This organelle creates turgor pressure in plants. Turgor pressure keeps a plant from "wilting".
  7. 12. ______ is an example of an enzyme that helps to turn starch into a sugar called maltose.
  8. 13. The membrane is composed of a ________ bilayer.
  9. 14. pH and ______ can denature an enzyme.
  10. 15. _________ energy is the amount of energy that needs to be absorbed for a chemical reaction to start.
  11. 18. This is the genetic material found in the nucleus. It is made of DNA.
  12. 19. ________ is where substrates bind their specific enzyme.
  13. 21. This organelle prepares and stores proteins for secretion in the cell.
  14. 23. These are used to build the cytoskeleton and mitotic spindle.
  15. 24. When an enzyme is _______ it will not work anymore.
  16. 26. This is the organelle where cellular respiration occurs.