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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
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उत्तर
A continuous culture system
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संबंधित प्रश्न
Suggest and describe a technique to obtain multiple copies of a gene of interest in vitro.
Can you list 10 recombinant proteins which are used in medical practice? Find out where they are used as therapeutics (use the internet).
Can you recall meiosis and indicate at what stage recombinant DNA is made?
Describe briefly the following:
Bioreactors
Explain briefly:
Chitinase
Prepare a flow chart in formation of recombinant DNA by the action of restriction endonuclease enzyme EcoRI.
In a pathological lab, a series of steps were undertaken for finding the gene of interest. Describe the steps, or make a flow chart showing the process of amplification of this gene of interest.
PCR and restriction fragment length polymorphism are the methods for ______.
Gene Amplification using primers can be done by ______.
PCR proceeds mthree distinct steps governed by temperature, they are in order of ______.
In PCR, primers are used for ______.
During the purification process for recombinant DNA technology, the addition of chilled ethanol precipitates out ______.
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?
Rising of dough is due to ______.
Which of the following steps are catalysed by Taq DNA polymerase in a PCR reaction?
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. |
- Taq polymerase after its discovery replaced E.coli DNA polymerase in PCR technique. Explain giving reasons why was the need felt for the change?
- What is a primer and its importance in PCR?
- Write the importance of PCR as a diagnostic tool.
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. |
- Name the human disease for which the gene therapy was used for the first time.
- 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?
- Write the possible permanent cure of the disease by the gene therapy that is in progress.
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.
State the advantage of using Thermostable DNA polymerase.
