Fact 1: An electron microscope is used for seeing very small objects by making them appear bigger.

Fact 2: Each cell is too small to see with the naked eye.

Given the two facts above, answer the question "What can make cells appear bigger?" with the following options: 
- prolactin release
 - kaleidoscope
 - electron microscope
 - deoxyribonucleic acid
 - radars
 - deuterostomes
 - Electrical energy
 - stethoscope


 

   electron microscope      