A) Restricts the protein synthesis in cells
B) Cut DNA at specific base sequence
C) Degrade harmful protein
D) Join different DNA fragments
Correct Answer: B
Solution :
[b] Restriction enzymes are DNA-cutting enzymes found in bacteria (and harvested from them for use). Because they cut within the molecule, they are often called restriction endonucleases. In order to be able to sequence DNA, it is first necessary to cut it into smaller fragments.
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