73. Some restriction enzymes generate cohesive (sticky) ends, meaning they _____.
(A) cut both DNA strands at the same position in the same base pair
(B) cut GC-rich regions, producing ends that form more hydrogen bonds than AT-rich ends
(C) remain tightly bound to the DNA ends after cutting
(D) produce ends that can anneal with sticky ends made by any restriction enzyme
(E) make staggered cuts in the two strands, leaving short single-stranded overhangs
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統計: A(0), B(1), C(0), D(1), E(2) #3852927
統計: A(0), B(1), C(0), D(1), E(2) #3852927