Biology A Level

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Across
  1. 2. What is the test for proteins called?
  2. 4. Glucose and fructose form...
  3. 6. The stage of mitosis when the cells line up at the middle of the cell...
  4. 8. Because the water molecule has both positive and negative poles what is it described as being?
  5. 9. In which organelle is DNA stored?
  6. 11. What is the name of the site the inhibitor binds to in non-competitive inhibition?
  7. 12. Process when white blood cells engulf pathogens
  8. 14. Proteins with specific binding sites synthesised by B cells.
  9. 15. All the chemical processes that take place in a living organism are called
  10. 16. What is the name of the fluid filled sac in a plant cell?
  11. 17. Amino acids and sodium can be moved into a cell using this type of protein.
  12. 19. What molecules make up the cell membrane bilayer?
Down
  1. 1. What molecule replaces thymine in RNA?
  2. 3. The minimum distance apart that two objects can be in order to appear as two separate objects
  3. 5. What is the name given to the test for lipids?
  4. 7. What solution is used when testing for reducing sugars?
  5. 10. What is the name of the process by which the fragments in the filtered homogenate are separated in a machine called a centrifuge?
  6. 13. Which electron microscope cannot see the internal structures of cells?
  7. 18. Movement of water from a region of higher water potential to an are of lower water potential
  8. 20. What is the name of the fluid filled matrix in the chloroplasts?