Running the gel will separate the fragments made by the restriction enzymes base

Question

Running the gel will separate the fragments made by the restriction enzymes based on size. a. True b. False From which of the following can DNA be extracted? a. body tissue b. whole blood c. semen d. hair e. all of the above Restriction enzymes do not need a specific pH for optimum effectiveness. a. True b. False The size of the fragments reflect variations in a person's DNA. a. True b. False The restriction enzyme recognizes the restriction site: a. GTCCAG b. GACGTC c. GAATTC d. CACGTC _____ are used to bind to a specific nucleotide sequence in DNA. This helps biologists use DNA to identify different individuals. a. messenger RNA tag. b. radioactive probe or tag. c. EooRI tag or probe d. Ionic tag or probe

Explanation / Answer

1) True. Electric currect is passed and then the fragments get separted out during their movement towards the opposite side. This separation is based on the size of the individual fragments.

2) All of the above. All of the above have uniform cellular components which have DNA and hence can be used.

3) False. Different restriction enzymes function optimally at different ph's

4) True

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