Question:
The restriction enzymes used as molecular scissors are type of ________
The restriction enzymes used as molecular scissors are type of ________
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Biotech rule:
Restriction enzyme = DNA cutter = Nuclease
Ligase = DNA joiner
Updated On: May 8, 2026
- ligases
- nucleases
- protease
- carboxylases
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Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Concept: Restriction enzymes are essential tools in genetic engineering and biotechnology.
• They cut DNA at specific sequences.
• They are called restriction endonucleases.
• They belong to a class of enzymes known as nucleases.
Step 1: Understand function.
Restriction enzymes act like molecular scissors by cleaving DNA strands.
Step 2: Identify enzyme type.
• Nucleases: Cut nucleic acids (DNA/RNA)
• Ligases: Join DNA fragments
• Proteases: Break proteins
• Carboxylases: Add CO$_2$ groups
Step 3: Conclusion.
Thus, restriction enzymes are nucleases. Final Answer: Option (B)
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