Unit 3 Part 1

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Across
  1. 2. The phospholipid tails in the cell membrane are __________, meaning that they are "water-fearing".
  2. 5. The part of the endoplasmic reticulum that is not involved in protein synthesis.
  3. 8. A protein channel found in the cell membrane that allows the passage of water molecule.
  4. 10. Empty space in the cell that is not occupied by anything.
  5. 12. Types of cells that have a nucleus to store genetic information.
  6. 13. This organelle is in charge of making proteins.
  7. 14. A large organelle in plant cells that is in charge of storage.
  8. 15. Found in plant cells and is the reason why plant cells are turgid.
Down
  1. 1. In charge of packaging proteins.
  2. 3. A selectively permeable barrier that determines what substances can enter the cell.
  3. 4. Small, _______ molecules can easily diffuse across the membrane without the help of channel proteins.
  4. 6. The part of the endoplasmic reticulum that contains ribosomes on its surface.
  5. 7. Types of cells that do not have a nucleus to store genetic information.
  6. 9. The phospholipid heads in the cell membrane are __________, meaning that they are "water-loving".
  7. 11. Made up of one hydrophilic head and two hydrophobic tails.