Cells and Life Vocabulary

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Across
  1. 4. Uses a beam of electrons to investigate the ultra structure of a specimen
  2. 7. outer covering a cell that surrounds the cell membrane
  3. 10. an organelle found in plant cells that produces energy using photosynthesis
  4. 12. An organism that consists of more than one cell
  5. 14. A process by which organisms replicate themselves
  6. 16. the process through which cells convert fuel into energy and nutrients
  7. 17. An organism that consists of a single cell
  8. 18. The smallest structural and functional unit of an organism
Down
  1. 1. Organisms whose cells lack a nucleus
  2. 2. a subcellular structure that has one or more jobs to perform in the cell
  3. 3. All living things are composed of cells, cells are the unit of life and all life come from pre-existing life
  4. 5. a membrane that separates the interior of the cell from the outside environment
  5. 6. A state of steady internal, physical, and chemical conditions maintained by living systems
  6. 8. Organisms whose cells have a nucleus enclosed with a nuclear envelope
  7. 9. Uses focused light and lenses to magnify a cell
  8. 11. a double membrane organelle that contains the genetic material and instructions required for cellular processes
  9. 13. large complex molecules that play many critical roles in cells
  10. 15. a gelatinous liquid that fills the inside of a cell