Unit 1 - A microscopic world

Microbes and man    98

How eukaryotes are different from prokaryotes    100

Prokaryotic organisms    102

Viruses    102

Eukaryotic microorganisms    104

Unit 2 - What is biotechnology?

What is biotechnology?    110

Main techniques of modern gene technology (PCR and Gel electrophoresis)    114

Microorganisms used in biotechnology    116

Unit 3 - Applications of biotechnology

Nature help us to clean air, soil, water and ... do the laundry    120

The use of microorganisms in bioremediation    122

Are foods made using biotechnology safe to eat?    124