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Question
"Molecular scissors" used in genetic engineering is
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Solution
The correct option is D Restriction endonuclease
- Restriction endonuclease enzyme is known as the molecular scissor because a restriction enzyme recognizes and cuts the DNA only at a particular sequence of nucleotides and producing smaller fragments.
- Helicases are enzymes that bind and may even remodel nucleic acid or nucleic acid-protein complexes. There are DNA and RNA helicases are involved in the unwinding of the nucleic acids.
- In molecular biology, DNA ligase is a specific type of enzyme that facilitates the joining of DNA strands together by catalyzing the formation of a phosphodiester bond.
- The DNA polymerases are enzymes that create DNA molecules by assembling nucleotides, the building blocks of DNA.
Thus, the correct answer is option D.
- Restriction endonuclease enzyme is known as the molecular scissor because a restriction enzyme recognizes and cuts the DNA only at a particular sequence of nucleotides and producing smaller fragments.
- Helicases are enzymes that bind and may even remodel nucleic acid or nucleic acid-protein complexes. There are DNA and RNA helicases are involved in the unwinding of the nucleic acids.
- In molecular biology, DNA ligase is a specific type of enzyme that facilitates the joining of DNA strands together by catalyzing the formation of a phosphodiester bond.
- The DNA polymerases are enzymes that create DNA molecules by assembling nucleotides, the building blocks of DNA.
Thus, the correct answer is option D.
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