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

Which of the following should be chosen for best yield if one were to produce a recombinant protein in large amounts?

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प्रश्न

Which of the following should be chosen for best yield if one were to produce a recombinant protein in large amounts?

विकल्प

  • Laboratory flask of largest capacity

  • A stirred-tank bioreactor without in-lets and out-lets

  • A continuous culture system

  • Any of the above

MCQ
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उत्तर

A continuous culture system

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अध्याय 11: Biotechnology : Principles and Processes - MULTIPLE CHOICE QUESTIONS [पृष्ठ ७८]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 12
अध्याय 11 Biotechnology : Principles and Processes
MULTIPLE CHOICE QUESTIONS | Q 17. | पृष्ठ ७८

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.


Besides better aeration and mixing properties, what other advantages do stirred tank bioreactors have over shake flasks?


Describe briefly the following:

Bioreactors


Describe briefly the following:

Downstream processing


A single strand of nucleic acid tagged with a radioactive molecule is called ______.


PCR proceeds mthree distinct steps governed by temperature, they are in order of ______.


Blood stains are found at the site of a murder. It DNA profiling technique is to be used for identifying the criminals, which of the following is ideal for use?


Rising of dough is due to ______.


An antibiotic resistance gene in a vector usually helps in the selection of ______.


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


How is copy number of the plasmid vector related to yield of recombinant protein?


While doing a PCR, ‘denaturation’ step is missed. What will be its effect on the process?


Assertion (A): Synthetic oligonucleotide polymers are used during Annealing in a PCR.

Reason (R): The primers bind to the double stranded DNA at their complementary regions.


Write the scientific name of the source organism of the thermostable DNA polymerase used in PCR.


Bioreactors are the containment vehicles of any biotechnology-based production process. For large scale production and for economic reasons the final success of biotechnological process depends on the efficiency of the bioreactor.

Answer the following questions w.r.t. the given paragraph:

  1. List the operational guidelines that must be adhered to so as to achieve optimisation of the bioreactor system. Enlist any four.
  2. Mention the phase of the growth we refer to in the statement "Optimisation of growth and metabolic activity of the cells".
  3. Is the biological product formed in the bioreactor suitable for the intended use immediate? Give reason in support of your answer.

Which of the following statements is incorrect?


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