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PRELAB QUESTIONS:
1.	Explain the difference in structure and function between a protein, a lipid and a nucleic acid.
2.	Explain the process of DNA extraction. What occurs at each step of the process?
3.	Explain the effect soaps have on lipids.
4.	What is a co-factor?
5.	What is a buffer? How does it work?
6.	Define the following terms
1.	Restriction fragment length polymorphism
2.	restriction enzyme
3.	ligase	.
4.	PCR
5.	human genome
7.	What must be used to create the DNA fragments for the electrophoresis? Explain how these enzymes function.  How are these fragments separated?
8.	Explain the process of restriction fragment analysis.  How accurate is it and why?