1. Berries…with a side of DNA?
Towson University’s Center for STEM Excellence

2. Cell’s Control Center: DNA
What’s the connection to cells?
How does it work?
What is DNA?

3. Cellville - analogous to a cell?
biologypop.com

4. Cellville City Plan Label the city plan for the city of Cellville!
Identify the primary function of each city structure
Is there an analogous cell structure for the city structures? Label the city structures with the correlating cell structure.

5. Where can you find cells?

6. If living things consist of cells and cells have DNA, then…
Is DNA in our food?
AND….
How do we extract and isolate DNA to test this?

7. Getting through the layers to find DNA
How do you get through
Cell wall (plants)
Cell membrane
Nuclear membrane
How do you get the DNA out of solution?

8. If living things consist of cells and cells have DNA, then does our food have DNA in it?
Write a hypothesis, make a prediction!

9. DNA Extraction Procedures
What food samples are available?
What are controls? How might we use them today?
Construct the protocol for DNA extraction.

10. Making Observations
Carefully note what happens after each step of the procedure. Does what you see make sense with what you expected to happen based on the reading?

11. Results: Is DNA in food? State your claim. What is your evidence?
Defend with your reasoning.