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Biotechnology : Principles And Processes

Question
CBSEENBI12046978
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A tumor inducing plasmid widely used in the production of transgenic plants is that of

  • Escherichia coli

  • Bacillus thuringiensis

  • Staphylococcus aureus

  • Agrobacterium tumefaciens

Solution

D.

Agrobacterium tumefaciens

Transgenic plants are plants that have been genetically engineered. It is a breeding approach that uses recombinant DNA techniques (RDT) to create plants with new characteristics.They are commonly identified as GMO or Genetically Modified Organisms. Agaraobacterium tumefaciens consists of Ti plasmid. It possess T- DNA which is responsible for causing tumour in host plant.

Some More Questions From Biotechnology : Principles and Processes Chapter

What are the different tools in Recombinant DNA technology?

Give the full form of PCR. Who developed it ?

What is the source of DNA polymerase i.e., Taq polymerase ?

Define “melting of target DNA”.

What would be the molar concentration of human DNA in a human cell ? Consult your teacher.

Do eukaryotic cells have restriction endonucleases ? Justify your answer.

From what you have learnt, can you tell whether enzymes are bigger or DNA is bigger in molecular size. How did you know ?

Expand EFB.

What are two core techniques that enabled birth of biotechnology ?

What is genetic engineering? Explain briefly the distinct steps common to all genetic engineering technology.
Or
With the help of diagrams show the different steps in the formation of recombinant DNA by action of restriction endonuclease.

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