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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Significance of 'heat shock' method in bacterial transformation is to facilitate ______.

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प्रश्न

Significance of 'heat shock' method in bacterial transformation is to facilitate ______.

पर्याय

  • Binding of DNA to the cell wall

  • Uptake of DNA through membrane transport proteins

  • Uptake of DNA through transient pores in the bacterial cell wall

  • Expression of antibiotic resistance gene

MCQ
रिकाम्या जागा भरा
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उत्तर

Significance of 'heat shock' method in bacterial transformation is to facilitate Uptake of DNA through transient pores in the bacterial cell wall.

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पाठ 11: Biotechnology : Principles and Processes - MULTIPLE CHOICE QUESTIONS [पृष्ठ ७७]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 12
पाठ 11 Biotechnology : Principles and Processes
MULTIPLE CHOICE QUESTIONS | Q 12. | पृष्ठ ७७

संबंधित प्रश्‍न

Suggest and describe a technique to obtain multiple copies of a gene of interest in vitro.


Draw a labelled sketch of sparged-stirred-tank bioreactor. Write its application.


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


Can you recall meiosis and indicate at what stage recombinant DNA is made?


State the importance of using a bioreactor.


Describe the process of amplification of the “gene of interest” using the PCR technique.


______ plays an important role in blood clotting.


DNA fragments generated by the restriction endonuclease in a chemical reaction can be separated by ______.


PCR and restriction fragment length polymorphism are the methods for ______.


The first step in recombinant DNA technology is


Rising of dough is due to ______.


Which of the following contributed in popularising the PCR (polymerase chain reactions) technique?


Which of the following steps are catalysed by Taq DNA polymerase in a PCR reaction?


Read the following paragraph and answer the questions that follow:

Biotechnology revolves around the "gene of interest", with an objective to open various avenues for human welfare in health, medicine, pharma, agriculture etc. using different techniques, tools and processes. One of the breakthroughs of biotechnology in medicine is the gene therapy.
  1. Name the human disease for which the gene therapy was used for the first time.
  2. Explain the steps of gene therapy carried to cure the disease using the lymphocytes of the patient. Why is this therapy not a permanent cure of the disease?
  3. Write the possible permanent cure of the disease by the gene therapy that is in progress. 

State the advantage of using Thermostable DNA polymerase.


Which of the following statements is incorrect?


Which enzyme is specifically used to break open fungal cells during the isolation of genetic material?


Which enzyme is utilized in Polymerase Chain Reaction (PCR) because it remains active at high temperatures?


Which of the following are direct methods used for introducing recombinant DNA into host cells besides chemical transformation?


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