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प्रश्न
Rising of dough is due to ______.
विकल्प
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).
Besides better aeration and mixing properties, what other advantages do stirred tank bioreactors have over shake flasks?
Can you recall meiosis and indicate at what stage recombinant DNA is made?
Describe briefly the following:
Downstream processing
State the importance of using a bioreactor.
Answer the following question:
Describe the formation of recombinant DNA by the action of EcoRI.
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 ______.
While doing a PCR, ‘denaturation’ step is missed. What will be its effect on the process?
Identify and explain steps ‘A’, ‘B’ and ‘C’ in the PCR diagram given below.
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.
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.
Identify the part of a bio-reactor which is used as a foam braker from the given figure.
What is the primary definition of recombinant DNA technology?
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 series of operations is collectively referred to as 'downstream processing'?
