Biology Crossword

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Across
  1. 3. Enclose genetic information in a nucleus.
  2. 4. Contains catalase and oxidases.
  3. 6. A small negatively charged particle.
  4. 9. Short structures anchored within a cell that aid in attachment, sensory, and movement.
  5. 12. A pure substance with only one type of atom.
  6. 13. An organelle filled with digestive enzymes.
  7. 17. Atoms that have lost or gained electrons
  8. 18. Do not enclose their genetic information in a nucleus.
  9. 19. The smallest unit of most compounds
  10. 21. The smallest basic unit of matter.
  11. 22. A network of membranous tubules within the cytoplasm of a eukaryotic cell
  12. 23. A substance formed when two or more elements cometogether.
  13. 24. A complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells
Down
  1. 1. Gelatinous liquid that fills the inside of a cell.
  2. 2. The Study of Life
  3. 5. Carry out specific functions.
  4. 7. A large membrane-enclosed structure
  5. 8. A thin, flexible barrier
  6. 10. The basic unit of life
  7. 11. The living planet that all living things share.
  8. 14. Organism builds up or breaks down materials.
  9. 15. Long structures anchored within a cell that aid in movement.
  10. 16. Specializes in manufacturing proteins.
  11. 19. The powerhouse of the cell.
  12. 20. A signal to which an organism responds.