Cheek cell DNA

 Stained cheek cells

 Cheek cells after membrane disruption (Acid)

Question 1.

I believe that the first solution (Cheek cell DNA) would be useful in this process because it is the one that will not easily destroy the strands of DNA during the cell extraction and the experiment. Also, we can clearly observe the structure of DNA without using   the microscope.

Question 2.

The most interesting part of the experiment is when we were doing the stained cheek cells, we could see our cheek cells clearly, and see how they shape. Also I found that the cheek cells would have different reaction when different solutions are added. For example, when I added to HCl (Acid) to my cheek cells, all of the cheek cells disappear. I found that the acid would change the pH of the cells and denatured protein which the cells result in tissue necrosis. This is the new knowledge I found after the Lab.