DNA Extraction Lab Prep

Why do we use salt for this lab?

• to dissolve the lipids in the nuclear envelope

• We don't use salt.

•  removes protein that is chemically joined to DNA

• DNA will precipitate (form) in less dense ethanol layer

DNA is made up of hundreds of thousands of...

• Cells

• Nucleotides

• Sugar

• Molecules

How are you supposed to squish the strawberry in the bag?

• Gently

• Aggressively

• Enough to make bubbles

How many people are needed to hold the cheese cloth and pour the strawberry?

• One

• At least 2

• At least 3

• At least 4

Which of the following is a beaker?

• 
• 
• 
• 

Which of the following is a test tube?

• 
• 
• 
• 

Which of the following is a pipette?

• 
• 
• 
• 

Which of the following is a graduated cylinder?

• 
• 
• 
• 

What do you do with the cheesecloth when you are done with it?

• Keep it

• Leave it on the table

• Dispose of it (garbage)

True or False: QUICKLY add the ethanol to the test tube.

• True

• False