Biology Review Crossword

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Across
  1. 3. This is the basic unit of life.
  2. 6. When we exhale the diaphragm moves ___.
  3. 7. Occurs by a process called cleavage where a cleavage furrow deepens, until it breaks the 2 halves apart, to form 2 daughter cells.
  4. 9. Control centre of the cell.
  5. 10. Last name of the person who discovered cells.
  6. 11. In our diffusion lab we added celery, __________, and raisins to solutions with different solute concentrations.
  7. 14. Each cell is made up of smaller components called ______.
  8. 15. An ________ is made up of at least 2 different types of tissues.
  9. 16. Movement of particles from an area of high concentration to an area of low concentration.
  10. 19. The movement specifically of H2O molecules across a membrane.
  11. 20. Small spherical organelles that make protein.
  12. 22. Performs cellular respiration creating energy.
  13. 24. Carry blood away from the heart.
  14. 26. All cells start out as _____ cells.
  15. 27. A __________ solution is one with a lower solute concentration.
  16. 29. Guanine is always paired with __________.
  17. 30. When specialized cells work together to perform a special function they are referred to as ______.
  18. 31. In this phase of mitosis fibres line up the chromosomes in the middle of the cell.
Down
  1. 1. Adenine is always paired with __________.
  2. 2. A whip-like tail that helps with movement of the cell.
  3. 4. This type of tissue enables body parts to move, exert force or change shape.
  4. 5. An ___________ solution has the same concentration on both sides.
  5. 8. The growth stage of the cell life cycle.
  6. 12. When we inhale the diaphragm moves ______.
  7. 13. Carry blood towards the heart.
  8. 17. The division stage of the cell life cycle.
  9. 18. Maintains turgid pressure.
  10. 21. The cells hereditary material.
  11. 23. DNA is made up of a series of smaller units called ___________.
  12. 25. This type of tissue covers the external and internal body surfaces.
  13. 28. The process that breaks food down physically, and chemically, into nutrients.