Questions for DNA Lab Write Up

•Summarize your experiment with one grammatically, mechanically correct paragraph.

–What did you learn?

–Did you think this lab was a valuable learning experience?

–If you could change one of the manipulated variables? Which would you change (look at the board). How do you think the results would change?

•Answer 3 of the following questions:

1. Why did we run this experiment on wheat germ?
2. What purpose did the agitation with hot water serve?
3. The wheat germ plumps up in hot water. Why? (hint: think about osmosis)
4. What purpose did the detergent serve?
5. After stirring the water/wheatgerm mixture, you add detergent. Identify the solute and solvent in this solution.
6. What purpose did the alcohol serve?
7. Draw and label the parts of a plant cell. Identify the parts of the cell that were affected during this lab.