1. Degree to which an object is enlarged under the microscope

1. To make an object appear larger in size

2. Area visible through the microscope at a given magnification

3. Adjustable aperture used to control the amount of light reaching the specimen

4. Part through which the viewer looks to observe the specimen

5. Specialized structures within a cell that perform specific functions

6. Lens closest to the specimen used to produce the primary magnification

7. Microscope where the light source is below the stage

8. Difference in brightness between object and its background

9. Central part of a cell that contains DNA

10. Basic building block of life, often visible under a microscope

11. Thin glass plate used to hold a specimen under the microscope

12. Part that connects the eyepiece and the objective lens

13. Infectious agent that can replicate inside a host cell

14. Optical element that bends light to magnify an object

15. Group of cells with a similar structure and function

16. Platform where the specimen is placed for examination