cells

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Across
  1. 4. membrane-bound organelles found in the cytoplasm of almost all eukaryotic cells
  2. 5. a membrane-bound organelle in eukaryotic cells that acts as the control center
  3. 6. a thin barrier surrounding all living cells separating their internal contents from the external environment
  4. 8. the flat platform that on a microscope holds the specimen being looked at
  5. 9. a simple, single-celled microorganism lacking a true nucleus and membrane-bound organelles.
  6. 11. a thin flat piece of glass that is placed on the stage of a microscope to be inspected
  7. 12. a complex, membrane-bound cell type containing a defined nucleus that houses DNA and specialized organelles
Down
  1. 1. a scientific instrument that uses visible light and a system of glass lenses to magnify small, often transparent, specimens up to 1000x their size
  2. 2. the part of a microscope to enlarge the slide so that it can bee seen my the human eye
  3. 3. a high-powered scientific instrument that uses a focused beam of accelerated electrons
  4. 7. the bottom of a microscope
  5. 10. a rigid, protective outer layer surrounding the plasma membrane of plant, fungal, bacterial, and algae cells