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Biotechnology : Principles and Processes
Question
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Transformation in bacteria was discovered by

  • Lederberg 

  • Griffith

  • Avery et. al

  • Tatum

Answer

B.

Griffith

Griffiths (1928), for the first time, reported transformation in bacteria and later on Avery, Mcleod and McCarthy (1944) studied it in detail.

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Some More Questions From Biotechnology : Principles and Processes Chapter

Define T-DNA.

Name a technique by which DNA fragments can be separated.

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 ?

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