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Restriction Endonucleases
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1Restriction endonucleases are _______.
A)enzymes
B)cells
C)DNA



2The nucleotides at one end of the restriction sequence are often complimentary to those at the other end.
A)True
B)False



3How many strands of the DNA molecule does the restriction enzyme bind to and cleave?
A)One
B)Two
C)Three



4The bond cleaved by a restriction endonuclease is typically in the middle of the recognition sequence, creating cut sites that are symmetrical.
A)True
B)False



5What is the function of DNA Ligase?
A)Cleave the DNA molecule
B)Reform the phosphodiester bonds of DNA
C)Recognize the restriction sequence







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