alleryWhy are restriction enzyme overhangs called sticky ends?
AThey carry a glue-like protein
BThey H-bond to complementary ends
CThey hold extra phosphate groups
DThey cling to the gel matrix
Answer & Solution
Correct answer: B. They H-bond to complementary ends
The overhangs form hydrogen bonds with their complementary cut counterparts, which helps DNA ligase join them.
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