I keep getting “Restriction enzymes” questions wrong in Biotechnology & its Applications. What's the trap?
thinking restriction enzymes cut DNA at random points.
The usual trap: thinking restriction enzymes cut DNA at random points. How to avoid it: each restriction enzyme recognises one specific sequence and cuts only there. Go back to the definition — molecular scissors that cut DNA only at specific palindromic recognition sequences.
Key point
Restriction enzymes
Common mistake
thinking restriction enzymes cut DNA at random points.
Memory tip
each restriction enzyme recognises one specific sequence and cuts only there.
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