The Cell

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Across
  1. 4. Cells which lack organelles of toher intermal membrane-bound structrues. Therefore, they do not have a nucleus.
  2. 5. Minute cylindrical organelle found in animal cells involved in cell division and the formation of spindle fibers.
  3. 11. Membrane bound spherical vesicles that can break down many kinds of biomolecules.
  4. 12. The aqueous solution inside a cell in which cell organelles are suspended.
  5. 13. Complicated system of membranous tubes and canals responsible for the transportation of proteins and other carbohydrates.
  6. 14. Selectively permeable membrane that allows certain substances in and out of the cell.
  7. 15. Small dense spherical structure in the nucleus which assemble ribosomes.
  8. 17. Organelle which modifies, sorts and packages proteins inot vesicle. It also transports lipids and creates lysosomes.
  9. 21. Organelle which captures light enenrgy from the sun and converts it into chemical energy through photosynthesis.
  10. 22. Found floating within the cytoplasm or attached to the endoplasmic reticulum.
Down
  1. 1. Organelle in plant cells that stores useful materials.
  2. 2. Cells which contain a membrane bound nucleus.
  3. 3. A long helical molecule that contains our unique genetic code. Also know as DNA.
  4. 6. Membrane bound organelle which is the control centre of the cell and directs all cell activities
  5. 7. Organelle which stores water.
  6. 8. Membrane bound organelle responsible for the production of cellular energy (ATP).
  7. 9. Structure which provides the cell with both structural support and protection.
  8. 10. Water fluid found OUTSIDE a cell.
  9. 12. A series of reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate(ATP).
  10. 16. Green photosynthetic pigment found in plants, algae and cyanobacteria.
  11. 18. Functions to support and suspend organelles and cellular molecules.
  12. 19. A threadlike structure of nucleic acids and proteins found in the nucleus of most living cells, carrying genetic information in the form of genes.
  13. 20. A genetically regulated-programmed form of cell death.