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Demonstration: DNA Extraction
Directions: Answer the following questions.
1. From the demonstration you just observed, what are the three steps in extracting DNA from a clove of garlic?
a.
b.
c.
2. What is a buffer and why is it used in this demonstration?
3. The following substances are the ingredients of the buffer. Describe the role of each in the process of extracting the DNA from the garlic clove.
a. salt
b. baking soda
c. shampoo
d. water
4. What substance is used to extract/precipitate the DNA from the garlic extract?
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