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Science, Biology
11th
grade
Gel Electrophoresis and Restriction Enzymes
10 questions
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- 1. Multiple ChoiceWhich is the primary purpose of using restriction enzymes in gel electrophoresis?It allows the strands of DNA to be cut into various lengths for testingIt restricts the number of base pairs that can be tested in a sampleIt makes the testing simpler by moving the strands into the gel fasterIt charges the DNA strands
- 2. Multiple ChoiceIn gel electrophoresis, the largest DNA fragment will appearclosest to the starting wellsfarthest from the starting wellsthree quarters away from the starting wellsit depends on how many fragments there are
- 3. Multiple ChoiceWhy do the fragments of DNA in gel electrophoresis travel away from the negative electrode?DNA is negatively charged so attracted to the positive end of the unitDNA is positively charged to attracted to the negative end of the unitthe agarose gel in negatively chargedthe agarose gel is positively charged
- 4. Multiple ChoiceWhich suspect is likely guilty?Suspect #1Suspect #2Suspect #3
- 5. Multiple ChoiceBased on these results whose blood was found in the blood stain at the crime scene?BobSueJohnLisa
- 6. Multiple ChoiceWhat is the purpose of gel electrophoresis?helps cut DNAcount the genes in DNAseparates DNA based on sizeallows for an exact replicated organism
- 7. Multiple ChoiceWhat applications can gel electrophoresis be used for?Parental TestingCriminal InvestigationsSequence Endangered Species DNAAll of the above
- 8. Multiple ChoiceWhy do bacteria have restriction enzymes?To prevent being infected by virusesTo help DNA get into the cellTo be able to grow in an incubatorThey don't - viruses have restriction enzymes
- 9. Multiple Choice
Which RE's from above make blunt cuts?
Alul
HaeIII
BamHI
HindIII
EcorRI
- 10. Multiple Choice
Which RE's from above make sticky cuts?
Alul
HaeIII
BamHI
HindIII
EcorRI
- Answer choicesTagsAnswer choicesTags