Unit 1 - 4 Revision Crossword

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Across
  1. 3. The carbohydrate energy store found in animals (in the liver)
  2. 5. The state of a plant cell when it has lost water and is soft or limp.
  3. 7. The movement of water molecules from a dilute solution to a concentrated solution across a partially permeable membrane.
  4. 8. The first part of the binomial scientific name.
  5. 9. The process where the cell membrane pulls away from the cell wall in a plant cell due to water loss by osmosis.
  6. 11. The process of getting rid of metabolic waste from the body.
  7. 14. The test for protein; the solution turns lilac or purple.
Down
  1. 1. The building blocks used to make proteins.
  2. 2. The jelly-like substance filling the cell, where many chemical reactions occur.
  3. 3. Diffusion is the net movement down this "slope" (e.g., from high to low concentration).
  4. 4. The rigid outer layer of a plant cell, made of cellulose.
  5. 6. Molecules (like fats and oils) made from fatty acids and glycerol.
  6. 8. A simple sugar (monosaccharide) that is the main fuel for respiration.
  7. 10. An invertebrate animal with an exoskeleton and jointed legs (e.g., insect, spider).
  8. 12. The state of a plant cell when it is firm and full of water, with the cytoplasm pressing against the cell wall
  9. 13. The large polysaccharide used for energy storage in plants.