Biology Review

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Across
  1. 4. Macromolecule that stores information: _____ acid
  2. 9. Whip-like tails found in single-celled organisms for movement
  3. 12. Makes proteins
  4. 14. The portion of the endoplasmic reticulum that is free of ribosomes
  5. 15. A living thing, such as a plant or animal
  6. 18. Process that plants use to convert solar energy into chemical
  7. 20. transportMovement of ions etc. across a cell membrane, energy required
  8. 21. This jelly-bean shaped organelle breaks down food molecules for energy
  9. 22. Used for stored energy; made of fatty acids
Down
  1. 1. wall Strengthens the cell and provides shape
  2. 2. This organelle acts as the cell's 'brain'
  3. 3. Movement of molecules from high to low concentrations
  4. 5. Site of photosynthesis
  5. 6. Maintenance of a stable internal environment
  6. 7. Barrier between cells and the environment
  7. 8. C6H12O6
  8. 10. An organelle containing digestive enzymes
  9. 11. The repeating unit of a polymer
  10. 13. Large macromolecule formed from monosaccharides
  11. 16. A type of catalyst with a three-dimensional active site
  12. 17. Packages and exports proteins
  13. 19. The sequence of amino acids represents this structure of a protein