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What role do plasmids play in recombinant DNA technology?
- a)They cut the DNA
- b)They carry foreign DNA into host cells
- c)They replicate the DNA in the host
- d)They select transformed cells
Correct answer is option 'B'. Can you explain this answer?
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What role do plasmids play in recombinant DNA technology?a)They cut th...
Role of Plasmids in Recombinant DNA Technology
In recombinant DNA technology, plasmids serve as essential tools for genetic engineering. Here’s a detailed explanation of their role:
What are Plasmids?
- Plasmids are small, circular DNA molecules found in bacteria and some eukaryotic cells.
- They are distinct from chromosomal DNA and can replicate independently.
Carrying Foreign DNA
- The primary role of plasmids in recombinant DNA technology is to carry foreign DNA into host cells.
- Scientists can insert a gene of interest into a plasmid, creating a recombinant plasmid.
- This recombinant plasmid can then be introduced into a host cell (usually a bacterium), where it can be replicated and expressed.
Transformation of Host Cells
- Once inside the host cell, the plasmid can be replicated along with the host's own DNA.
- This allows for the production of multiple copies of the foreign gene, enabling the synthesis of the desired protein.
Selection of Transformed Cells
- Plasmids often contain selectable markers, such as antibiotic resistance genes.
- These markers help identify and select cells that have successfully taken up the plasmid, ensuring that only transformed cells are cultivated.
Applications in Biotechnology
- Plasmids are widely used in research, medicine, and agriculture for producing insulin, vaccines, and genetically modified organisms (GMOs).
- They facilitate the manipulation of genes, leading to advancements in various fields.
In summary, plasmids are vital vectors in recombinant DNA technology, allowing for the introduction and expression of foreign DNA in host organisms, thereby revolutionizing genetic engineering.
In recombinant DNA technology, plasmids serve as essential tools for genetic engineering. Here’s a detailed explanation of their role:
What are Plasmids?
- Plasmids are small, circular DNA molecules found in bacteria and some eukaryotic cells.
- They are distinct from chromosomal DNA and can replicate independently.
Carrying Foreign DNA
- The primary role of plasmids in recombinant DNA technology is to carry foreign DNA into host cells.
- Scientists can insert a gene of interest into a plasmid, creating a recombinant plasmid.
- This recombinant plasmid can then be introduced into a host cell (usually a bacterium), where it can be replicated and expressed.
Transformation of Host Cells
- Once inside the host cell, the plasmid can be replicated along with the host's own DNA.
- This allows for the production of multiple copies of the foreign gene, enabling the synthesis of the desired protein.
Selection of Transformed Cells
- Plasmids often contain selectable markers, such as antibiotic resistance genes.
- These markers help identify and select cells that have successfully taken up the plasmid, ensuring that only transformed cells are cultivated.
Applications in Biotechnology
- Plasmids are widely used in research, medicine, and agriculture for producing insulin, vaccines, and genetically modified organisms (GMOs).
- They facilitate the manipulation of genes, leading to advancements in various fields.
In summary, plasmids are vital vectors in recombinant DNA technology, allowing for the introduction and expression of foreign DNA in host organisms, thereby revolutionizing genetic engineering.
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What role do plasmids play in recombinant DNA technology?a)They cut th...
Plasmids act as vectors that carry foreign DNA into host cells, facilitating the creation of recombinant DNA.
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What role do plasmids play in recombinant DNA technology?a)They cut the DNAb)They carry foreign DNA into host cellsc)They replicate the DNA in the hostd)They select transformed cellsCorrect answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What role do plasmids play in recombinant DNA technology?a)They cut the DNAb)They carry foreign DNA into host cellsc)They replicate the DNA in the hostd)They select transformed cellsCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What role do plasmids play in recombinant DNA technology?a)They cut the DNAb)They carry foreign DNA into host cellsc)They replicate the DNA in the hostd)They select transformed cellsCorrect answer is option 'B'. Can you explain this answer?.
What role do plasmids play in recombinant DNA technology?a)They cut the DNAb)They carry foreign DNA into host cellsc)They replicate the DNA in the hostd)They select transformed cellsCorrect answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What role do plasmids play in recombinant DNA technology?a)They cut the DNAb)They carry foreign DNA into host cellsc)They replicate the DNA in the hostd)They select transformed cellsCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What role do plasmids play in recombinant DNA technology?a)They cut the DNAb)They carry foreign DNA into host cellsc)They replicate the DNA in the hostd)They select transformed cellsCorrect answer is option 'B'. Can you explain this answer?.
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