cells

4. membrane-bound organelles found in the cytoplasm of almost all eukaryotic cells
5. a membrane-bound organelle in eukaryotic cells that acts as the control center
6. a thin barrier surrounding all living cells separating their internal contents from the external environment
8. the flat platform that on a microscope holds the specimen being looked at
9. a simple, single-celled microorganism lacking a true nucleus and membrane-bound organelles.
11. a thin flat piece of glass that is placed on the stage of a microscope to be inspected
12. a complex, membrane-bound cell type containing a defined nucleus that houses DNA and specialized organelles

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. the part of a microscope to enlarge the slide so that it can bee seen my the human eye
3. a high-powered scientific instrument that uses a focused beam of accelerated electrons
7. the bottom of a microscope
10. a rigid, protective outer layer surrounding the plasma membrane of plant, fungal, bacterial, and algae cells