cells & membranes

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Across
  1. 2. Hydrophobic part of phospholipid bilayer
  2. 4. Type of substance which can move across membranes by simple diffusion
  3. 9. Fluid filled space in chloroplasts
  4. 13. Generates a 3D image of surface
  5. 15. Contained in bacterial cell walls
  6. 16. Requires hydrolysis of ATP and specific carrier proteins
  7. 17. Makes ribosomes / rRNA
  8. 18. Transports proteins and lipids to their required destination
Down
  1. 1. Has the maximum possible water potential
  2. 3. Site of DNA replication
  3. 5. Contain hydrolytic enzymes
  4. 6. Facilitate diffusion of water-soluble substances
  5. 7. Often present in electron micrographs due to the complex preparation
  6. 8. Made of RNA and protein
  7. 10. Liquid above the solid pellet after centrifugation
  8. 11. Decreases fluidity / permeability, and increases rigidity of cell membranes
  9. 12. Inner membrane fold in mitochondria
  10. 14. Sometimes present in prokaryotic cells