Topic 1 Vocab 7th Grade

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Across
  1. 3. A widely accepted explanation of the relationship between cells and living things
  2. 4. An instrument that makes small objects look larger
  3. 7. The vacuole surrounding particles fuse with the cell membrane, forcing the contents out of the cell
  4. 12. The series of events in which a cell grows, prepares for division, and divides to form two daughter cells
  5. 13. A cell makes a copy of DNA before cell division
  6. 14. A thin, flexible barrier that surrounds a cell and controls which substances pass through
  7. 15. A rigid supporting layer that surrounds the cells of plants and some other organisms
  8. 16. A tiny cell structure that carries out a specific function within the cell
  9. 19. 1st stage of the cell cycle that takes place before cell division occurs; A cell grows and makes a copy of its DNA
  10. 20. Molecules move from an area of high concentration to an area of lower concentration
  11. 22. A property of a cell membranes that allows some substances to pass across it while others cannot.
  12. 24. Captures energy from sunlight and changes it to energy form that cells can use to make food; plants
  13. 25. Rod-shaped organelle that convert energy in food molecules to energy the cell can use to carry out its functions
Down
  1. 1. Last stage of the cell cycle; creates 2 new daughter cells
  2. 2. Cells release energy by breaking down food molecules without using oxygen
  3. 4. 2nd stage of the cell cycle; Cells nuclei divides into two nuclei and one set of dna is given to each daughter cell
  4. 5. The cell membrane takes particles into the cell by changing shapes and engulfing the particles
  5. 6. The process where plants and other autotrophs capture and use light energy to make food from carbon dioxide and water
  6. 8. A sac-like organelle that stores water, food, and other materials
  7. 9. Oxygen and glucose undergo a complex series of chemical reactions in cells, releasing energy
  8. 10. An organism that cannot make its own food and gets food from other organisms
  9. 11. A green photosynthetic pigment found in the plants
  10. 14. The basic unit of structure and function in living things
  11. 17. An organism that carries out photosynthesis ad makes its own food
  12. 18. The thick fluid region of a cell located inside the cell membrane
  13. 21. A large, oval organelle that contains the cell's genetic material in the form of DNA
  14. 23. The diffusion of water molecules across a selectively permeable membrane