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प्रश्न
Name the five key tools for accomplishing the tasks of recombinant DNA technology. Also mention the functions of each tool.
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उत्तर
- Restriction endonucleases: for cutting the desired DNA at desired places.
- Gel electrophoresis: for separating the desired DNA fragments.
- Ligase enzyme: for creating recombinant DNA molecule.
- DNA delivery system: like electroporation, microinjection, gene gun method.
- Competent host (usually bacteria/yeast): to take up recombinant DNA.
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संबंधित प्रश्न
Why do children cured by enzyme-replacement therapy adenosine deaminase deficiency need periodic treatment?
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- Assertion: PCR is a powerful technique to identify genetic disorders.
- Reason: PCR can detect mutations in low amounts of DNA.
The diagram given below represents the schematic structure of proinsulin, which undergoes certain modifications before it becomes a fully functional insulin.
Study the diagram carefully and answer the questions that follow:

- State the change the proinsulin undergoes to become fully functional.
- Name the modern scientific technique used for the production of human insulin.
- How are the two polypeptide chains of the fully functional insulin held together?
