Which of the following is true for restriction enzymes?
A. A given restriction enzyme will always recognize the same DNA sequence, but it will cut differently depending on the species of origin of the DNA.
B. Each restriction enzyme known is able to make a staggered cut at its recognition site.
C. Any restriction enzyme can cut any piece of DNA.
D. A different restriction enzyme must be used to open the vector DNA than to excise the gene
sequence to be cloned.
E. Restriction enzymes are useful in genetic engineering when they make staggered cuts in DNA
Ans: E. Restriction enzymes are useful in genetic engineering when they make staggered cuts in DNA
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