St. Bonaventure College and High School Form 4 Biology Bridging Course 2009-2010. Cell structure. The structures of animal cells and plant cells . Cell is the basic unit of life. There are more than 200 types of cells in our body.
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The first electron microscope prototype was built in 1931 by the German engineers
Electron microscopes have much greater resolving power than light microscopes that use electromagnetic radiation and can obtain much higher magnifications of up to 2 million times, while the best light microscopes are limited to magnifications of 2000 times.