On Joanna's Vintage Decor Shop. I started a local boutique and partnered with Chip to implement the Magnolia style in the homes he was flipping, Joanna says. We later branched out and started renovations in the central Texas area.. From: Chip Gaines and Joanna Gaines.
Figure Detail. The use of restriction enzymes as a way to cut DNA molecules was first demonstrated in a classic study by Johns Hopkins biochemist Daniel Nathans and his graduate student Kathleen Danna (Danna & Nathans, 1971).igure Detail. The use of restriction enzymes as a way to cut DNA molecules was first demonstrated in a classic study by Johns Hopkins biochemist Daniel Nathans and his graduate student Kathleen Danna (Danna & Nathans, 1971).
Objectives. 1  Understand what a DNA restriction enzyme is and how it works. 2  Learn to use a micropipette. 3  Learn to separate DNA on an agarose gel using electrophoresis.  Understand how to use a restriction digestion map to identify a sample 1  DNA. Compare the Î» DNA bands on a gel to the known Î» DNA restriction  map.