This high school biology mini-unit is designed to be a basic introduction to three essential biotechnology tools: PCR, Restriction Enzymes, and gel electrophoresis. Great for teachers with no access to do biotech activities or labs in class! These three tools are so important in the biotech industry and they often come up in science news. I want my students to better understand what they are and the basics of how they work.Biotech equipment is expensive. Many schools, including ones I have w