Topic 1: Cells as the basis of life

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Across
  1. 3. Stem cells that can produce only one specific cell type.
  2. 7. Passive movement of molecules from an area of high concentration to low concentration.
  3. 10. Cell division process that produces two genetically identical daughter cells.
  4. 11. Membrane-bound sac used for storage of water, nutrients or wastes.
  5. 12. Organelle containing digestive enzymes used to break down waste and old cell parts.
  6. 14. Selectively permeable barrier made of phospholipids and proteins controlling entry and exit of substances.
  7. 16. Organelle in plant cells where photosynthesis occurs.
Down
  1. 1. Organelle that contains DNA and controls cell activities.
  2. 2. Movement of water across a selectively permeable membrane from high to low water concentration.
  3. 4. Cell type that contains a nucleus and membrane-bound organelles.
  4. 5. Small organelles responsible for protein synthesis.
  5. 6. Stem cells that can differentiate into a limited range of related cell types.
  6. 8. Undifferentiated cells capable of dividing and developing into specialised cells.
  7. 9. Endoplasmic reticulum studded with ribosomes that modifies and transports proteins.
  8. 13. Cell that lacks a nucleus and membrane-bound organelles.
  9. 15. Organelle where cellular respiration occurs to produce ATP.