Student: Karlen Moore
Phases Complete
2 of 2 phases.
Phase Resets
Phase 1: 0
Phase 2: 0
Phase 3: 0
Popup Questions
Why is it important to keep the filtrate and reagents cold?
Incorrect Attempts: 2
What was the purpose of mixing cells with sodium chloride and detergent to form the strawberry filtrate?
Select all the correct statements.
Incorrect Attempts: 1
What is the purpose of the meat tenderizer?
Incorrect Attempts: 0
What is the purpose of the ice cold 95% ethanol?
Incorrect Attempts: 2
What is the correct way to spool the DNA?
Incorrect Attempts: 0
Correct Order of Steps to Isolate DNA
1. Place test tube on ice
2. Transfer strawberry filtrate with pipette to test tube
3. In a graduated cylinder, dissolve a spoonful of meat tenderizer into distilled water
4. Add meat tenderizer solution to strawberry filtrate and let it react for 10 minutes
5. Use pipette to add ice cold 95% ethanol along inside of tube to precipitate DNA
. With the test tube in the rack, spool precipitated DNA onto glass rod
