MCQ
The biological scissors is:
- ARestriction endonuclease
- BGyrase
- CDNA ligase
- DHelicase
✓
Answer
- Restriction endonuclease
Explanation:
Restriction endonucleases are called biological scissors because they cleave (cut) DNA at or near specific recognition sequences (restriction sites). They act as an important tool for gene modification and are widely used in the process of transformation, transfection etc.
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