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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
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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.
APPEARS IN
संबंधित प्रश्न
Describe briefly the following:
Bioreactors
Explain briefly:
PCR
Prepare a flow chart in formation of recombinant DNA by the action of restriction endonuclease enzyme EcoRI.
Answer the following question:
Describe the formation of recombinant DNA by the action of EcoRI.
______ plays an important role in blood clotting.
PCR and restriction fragment length polymorphism are the methods for ______.
Gene Amplification using primers can be done by ______.
During the purification process for recombinant DNA technology, the addition of chilled ethanol precipitates out ______.
Rising of dough is due to ______.
Which of the following steps are catalysed by Taq DNA polymerase in a PCR reaction?
Which of the following should be chosen for best yield if one were to produce a recombinant protein in large amounts?
Do biomolecules (DNA, protein) exhibit biological activity in anhydrous conditions?
Identify and explain steps ‘A’, ‘B’ and ‘C’ in the PCR diagram given below.
Illustrate the design of a bioreactor. Highlight the difference between a flask in your laboratory and a bioreactor which allows cells to grow in a continuous culture system.
State the advantage of using Thermostable DNA polymerase.
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:
- List the operational guidelines that must be adhered to so as to achieve optimisation of the bioreactor system. Enlist any four.
- Mention the phase of the growth we refer to in the statement "Optimisation of growth and metabolic activity of the cells".
- Is the biological product formed in the bioreactor suitable for the intended use immediate? Give reason in support of your answer.
Given below are two statements:
Statement I: The DNA fragments extracted from gel electrophoresis can be used in construction of recombinant DNA.
Statement II: Smaller size DNA fragments are observed near anode while larger fragments are found near the wells in an agarose gel.
In the light of the above statements, choose the most appropriate answer from the options given below:
Upon exposure to UV radiation, DNA stained with ethidium bromide will show ______.
