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- 1. Multiple Choice
This laboratory procedure is known as
CLONING
gel electrophoresis
chromatography
use of a dichotomous key
- 2. Multiple Choice
In preparation for an electrophoresis procedure, enzymes are added to DNA in order to
convert the DNA into gel
cut the DNA into fragments
change the color of the DNA
produce longer sections of DNA
- 3. Multiple Choice
Gel electrophoresis is used to separate DNA fragments on the basis of which property?
size
color
functions
chromosomes
- 4. Multiple ChoiceBased on these results whose blood was found in the blood stain at the crime scene?BobSueJohnLisa
- 5. Multiple ChoiceWhich two bear species are most closely related?Bear 1 and Bear 2Bear 1 and Bear 3Bear 2 and Bear 3There’s no way to tell
- 6. Multiple ChoiceWhich man is the father of this baby?Father 1Father 2Father 3None of them
- 7. Multiple ChoiceWhich suspect is likely guilty?Suspect #1Suspect #2Suspect #3
- 8. Multiple ChoiceDNA fingerprinting works becauseMost genes are dominantAll organisms contain RNAThe most important genes are different among most peopleNo two people, except identical twins, have exactly the same DNA
- 9. Multiple ChoiceWhat is the purpose of gel electrophoresis?helps cut DNAcount the genes in DNAseparates DNA based on sizeallows for an exact replicated organism
- 10. 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
- 11. 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
- 12. 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
- 13. Multiple ChoiceWhat applications can gel electrophoresis be used for?Parental TestingCriminal InvestigationsSequence Endangered Species DNAAll of the above
- 14. Multiple ChoiceWhich DNA fragment bands move faster and farther in a gel electrophoresis?there is no way to tellthe largest onesthe smallest onesnone of these
- 15. Multiple Choice
How are buffers used in Electrophoresis?
Conduct electricity
Remove salts
Add extension energy
Dissolve excess DNA
- Answer choicesTagsAnswer choicesTags