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- 1. Multiple Choice
Why do we squish the strawberry well for a few minutes?to break the nuclear membraneto break the cell wallsto dissolve the nuclear membraneto isolate the DNA from the nucleus - 2. Multiple ChoiceWhy do we add detergent or soap to the squished strawberries?to break up the cell wallsto dissolve the nuclear membraneto clean the strawberryto isolate the DNA
- 3. Multiple ChoiceWhy do we add alcohol to the solution of detergent and strawberries?To break up the cell wallTo destroy the nuclear membraneTo isolate the DNA which is repelled by alcoholTo isolate the DNA, which dissolves in alcohol
- 4. Multiple ChoiceWhat layers must be breached to access the DNA?cell membrane, nuclear membrane and cell wallCell Wall onlymitochondriaribosomes
- 5. Multiple ChoiceHow long should you smash the strawberry mixture the first time?1 minute2 minutes3 minutes4 minutes
- 6. Multiple Choice
What is in your extraction fluid?
Salt and Water
Salt, Soap, and Water
Meat Tenderizer, Salt, Water
Meat Tenderizer, Water
- 7. Multiple Choice
Why is it important to add the alcohol slowly?
So that there are two distinct layers.
Because it is a dangerous substance.
So that the DNA has time to form into a strand.
So that the DNA can float up to the top of the extraction layer.
- 8. Multiple Choice
How much cold alcohol should you add to your mixture? About...
4 ml
12 ml
3 ml
20 ml
- 9. Multiple Choice
What did you use to take your DNA out of the test tube?
Tooth Pick
Paper Clip
Finger
Tape
- Answer choicesTagsAnswer choicesTags