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प्रश्न
Can you list 10 recombinant proteins which are used in medical practice? Find out where they are used as therapeutics (use the internet).
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उत्तर
| Recombinant protein | Therapeutic use |
| Insulin | Treatment for type I diabetes mellitus. |
| Interferon-α | Used for chronic hepatitis C. |
| Erythropoietin | Treatment of anemia. |
| Coagulation factor VIII | Treatment of haemophilia A. |
| Coagulation factor IX | Treatment of haemophilia B. |
| DNAase I | Treatment of cystic fibrosis. |
| Anti-thrombin III | Prevention of blood clots. |
| Interferon-β | For the treatment of multiple sclerosis. |
| Human recombinant growth hormone | For promoting growth in an individual. |
| Tissue plasminogen activator | Treatment of acute myocardial infarction. |
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संबंधित प्रश्न
From what you have learnt, can you tell whether enzymes are bigger or DNA is bigger in molecular size? How did you know?
Explain briefly:
Chitinase
Answer the following question:
Describe the formation of recombinant DNA by the action of EcoRI.
Describe the process of amplification of the “gene of interest” using the PCR technique.
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 ______.
A single strand of nucleic acid tagged with a radioactive molecule is called ______.
Gene Amplification using primers can be done by ______.
Which of the following contributed in popularising the PCR (polymerase chain reactions) technique?
Significance of 'heat shock' method in bacterial transformation is to facilitate ______.
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?
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.
Main steps in the formation of Recombinant DNA are given below. Arrange these steps in a correct sequence.
- Insertion of recombinant DNA into the host cell.
- Cutting of DNA at specific location by restriction enzyme.
- Isolation of desired DNA fragment.
- Amplification of gene of interest using PCR.
Choose the correct answer from the options given below:
Which enzyme is specifically used to break open fungal cells during the isolation of genetic material?
Which enzymes act as 'molecular scissors' to cut purified DNA precisely at specific target sites?
In agarose gel electrophoresis, why do DNA fragments move toward the positive electrode?
Which enzyme is utilized in Polymerase Chain Reaction (PCR) because it remains active at high temperatures?
Which enzyme is responsible for joining the desired gene to a carrier vector DNA to form recombinant DNA?
How are bacterial cells typically made competent to facilitate the uptake of recombinant DNA during transformation?
Which of the following are direct methods used for introducing recombinant DNA into host cells besides chemical transformation?
