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Biology, World Languages, English
6th -
9thgrade
Strawberry DNA Extraction Lab
8 questions
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- 1. Multiple ChoiceWhy 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 ChoiceHow many ml of extraction liquid should you add to the the strawberries after you smash them?5 ml10 ml15 ml20 ml
- 7. Multiple ChoiceHow full should your test tube be at the end of step 5?5ml7ml10ml12ml
- 8. Multiple ChoiceWhat will you use to take your DNA out of the test tube?Tooth PickPaper ClipFingerTape
- Answer choicesTagsAnswer choicesTags