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प्रश्न
Rising of dough is due to ______.
पर्याय
Multiplication of yeast
Production of CO2
Emulsification
Hydrolysis of wheat flour starch into sugars
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उत्तर
Rising of dough is due to production of CO2.
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संबंधित प्रश्न
Draw a labelled sketch of sparged-stirred-tank bioreactor. Write its application.
Can you list 10 recombinant proteins which are used in medical practice? Find out where they are used as therapeutics (use the internet).
Describe briefly the following:
Downstream processing
Answer the following question:
Describe the formation of recombinant DNA by the action of EcoRI.
Which of the following term used for defining a viral genome incorporated into host DNA?
DNA fragments generated by the restriction endonuclease in a chemical reaction can be separated by ______.
The first step in recombinant DNA technology is
In PCR, primers are used for ______.
Which of the following contributed in popularising the PCR (polymerase chain reactions) technique?
A bacterial cell was transformed with a recombinant DNA molecule that was generated using a human gene. However, the transformed cells did not produce the desired protein. Reasons could be ______.
Which of the following should be chosen for best yield if one were to produce a recombinant protein in large amounts?
While doing a PCR, ‘denaturation’ step is missed. What will be its effect on the process?
Do biomolecules (DNA, protein) exhibit biological activity in anhydrous conditions?
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.
Write the scientific name of the source organism of the thermostable DNA polymerase used in PCR.
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:
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:
