Cells

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Across
  1. 3. - is where ribosomal RNA is produced.
  2. 4. - A molecule that can use light energy from sunlight to turn water and carbon dioxide gas into sugar and oxygen. Is magnesium based and is usually green.
  3. 5. - membrane-surrounded cavities inside a cell. Fills with food being digested and waste material that is on its way out of the cell.
  4. 6. - A process in which plants convert sunlight, water, and carbon dioxide into food energy (sugars and starches), oxygen and water.
  5. 8. - Spherical to rod-shaped organelles with a double membrane.
  6. 11. - a thick, rigid membrane that surrounds a plant cell. This layer of cellulose fiber gives the cell most of its support and structure.
  7. 13. - the thin layer of protein and fat that surrounds the cell. Allows some substances to pass into the cell and block others.
  8. 15. - a vast system of interconnected, membranous, infolded and convoluted sacks that are located in the cell's cytoplasm. Is covered with ribosomes that give it a rough appearance.
  9. 17. - part of the chloroplasts in plant cells, located within the inner membrane of chloroplasts, between the grana.
  10. 18. - spherical body containing many organelles. Controls many of the functions of the cell.
Down
  1. 1. - a vast system of interconnected, membranous, infolded and convoluted tubes that are located in the cell's cytoplasm. Transports materials through the cell.
  2. 2. - small organelles composed of RNA-rich cytoplasmic granules that are sites of protein synthesis.
  3. 7. - Also called cell vesicles. This is where the digestion of cell nutrients takes place.
  4. 9. - Also called the "microtubule organizing center". a small body located near the nucleus.
  5. 10. - Also called the Golgi apparatus or golgi complex. a flattened, layered, sac-like organelle that looks like a stack of pancakes and is located near the nucleus.
  6. 12. - the membrane that surrounds the nucleus.
  7. 14. - An elongated or disc-shaped organelle containing chlorophyll. Photosynthesis takes place in the chloroplasts.
  8. 16. - the jellylike material outside the cell nucleus in which the organelles are located.