Problem
The figure below shows l DNA cut with Hind III or BamH1 or EcoR1.
![2319_DNA cut.jpeg](https://secure.tutorsglobe.com/CMSImages/2319_DNA cut.jpeg)
i. Describe the function of a restriction enzyme.
ii. Why do you see different restriction patterns above?
iii. What is the purpose of the DNA ladder?
iv. Describe the control in the above experiment.