Excellent for all levels of teaching. Demonstrates the DNA extraction process with freeze-dried E. coli cells. Cell walls are broken with a detergent, and the DNA is extracted onto a spooling rod. Allows students to visualize DNA and understand some of its properties. Illustrates the enormous length and acidic nature of the DNA molecule. A hot water bath, test tubes, and 95% alcohol are needed but not included. Requires 1 to 2 class periods to complete.

The Classroom Kit is designed for a class of 30 students or 6 separate teacher demonstrations. The Demonstration Kit is for individual use by a teacher or student. The Classroom Kit Refill contains the perishable materials needed to rerun the classroom kit. With instructions.