मराठी
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?

पर्याय

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

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

संबंधित प्रश्‍न

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?


Explain briefly:

PCR


State the importance of using a bioreactor.


Which of the following term used for defining a viral genome incorporated into host DNA?


______ plays an important role in blood clotting.


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


Gene Amplification using primers can be done by ______.


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?


The first step in recombinant DNA technology is


During the process of gene amplification using PCR, if a very high temperature is not maintained in the beginning, then which of the following steps of PCR will be affected first?


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


Read the paragraph given below and answer and questions that follow:

Enzyme Taq polymerase, is extracted from a eubacterial microorganism Thermus aquaticus from Yellowstone National Park in Montana, USA and isolated by Chien et al. (1976). Taq polymerase successfully replaced the DNA polymerase from E.coli that was being used in PCR earlier and this shift revolutionised the PCR technique.
  1. Taq polymerase after its discovery replaced E.coli DNA polymerase in PCR technique. Explain giving reasons why was the need felt for the change?
  2. What is a primer and its importance in PCR?
  3. Write the importance of PCR as a diagnostic tool.

State the advantage of using Thermostable DNA polymerase.


Identify the part of a bio-reactor which is used as a foam braker from the given figure.


Main steps in the formation of Recombinant DNA are given below. Arrange these steps in a correct sequence.

  1. Insertion of recombinant DNA into the host cell.
  2. Cutting of DNA at specific location by restriction enzyme.
  3. Isolation of desired DNA fragment.
  4. Amplification of gene of interest using PCR. 

Choose the correct answer from the options given below:


Upon exposure to UV radiation, DNA stained with ethidium bromide will show ______.


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