27. Certain restriction enzymes produce cohesive (sticky) ends. This means that they _____
(A) cut both DNA strands at the same base pair
(B) cut in regions of high GC content, leaving ends that can form more hydrogen bonds than ends of high AT content
(C) make a staggered double-strand cut, leaving ends with a few nucleotides of single-stranded DNA protruding
(D) make ends that can anneal to cohesive ends generated by any other restriction enzyme
(E) stick tightly to the ends of the DNA they have cut

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統計： A(3), B(2), C(18), D(4), E(1) #3421132

詳解 (共 2 筆)

#6764948
題目解析 這道題目涉及到限制酶（res...
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#7355111

限制酶負責切開DNA的磷酸雙脂鍵，切出來有sticky ends or blunt ends。其中sticky ends末端雙股不等長，短股少一些核苷酸

另外blunt ends 為平頭的樣子，末端雙股等長
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