3. Nuclear Envelope

4. Nucleus

6. Endoplasmic Reticulum

7. Ribosomes

8. Golgi

9. Mitochondria

11. Actin staining of monkey fibroblast cell
Actin staining of microfilaments (red fluorescence)

12. Microscopy Quiz

13. Microscopy TroubleShooting
You have just set up your microscope and turned it on. You cannot see a field of view. What is the problem?
Your slide is in focus on your microscope, but you do not see the specimen. Why?
The specimen you are examining is very thin and transparent. What can you do to make it easier to see?
Your slide has a specimen composed of many different tissue types. You wish to focus on one specific type. What must you do?