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Identify the wrong statement with regards to Restriction Enzymes  
Option: 1 Each restriction enzyme functions by inspecting the length of a DNA sequence
 
Option: 2 They cut the strand of DNA at palindromic sites
 
Option: 3 They are useful in genetic engineering
 
Option: 4 Sticky ends can be joined by using DNA ligases.

Answers (1)

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They recognize and bind to specific sequences of DNA, called restriction sites. Each restriction enzyme recognizes just one or a few restriction sites. When it finds its target sequence, a restriction enzyme will make a double-stranded cut in the DNA molecule. Hence, the correct option is (d).

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Ritika Jonwal

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