問題詳情
37. Which of the following is correct regarding both Cas9 and EcoRI?
(1) They are both endonucleases.
(2) They both create double-strand breaks in DNA.
(3) They both recognize their target sequences with the help of guide RNAs.(4) They are both part of bacterial defense mechanisms against foreign DNA.
(5) They are both greatly useful in manipulating DNA and studying gene expression.
(A) 1 only
(B) 1,2 and 5
(C) 2,3 and 5
(D) 1, 2, 4 and 5
(E) All