DNA experiment

• Why was the kiwi chopped

  break down cell membrane
• why was washing up liquid used

  dissolves cell membrane lipid bilayer
• why was table salt used

  clumps DNA together
• why was protease enzyme used

  breaks down protein around DNA strands
• was was ice cold ethanol used


  DNA precipitates at water-ethanol interface
• What did heating the water bath at 60C do

  denatures all cell enzymes
• What did the ice bath do

  Slow down any action of enzyme
• Why should you not blend for more than 3 secs

  Breaks down the DNA strands
• Why do you use coffee filter paper instead of normal paper

  Pores are bigger, the process is quicker than normal paper