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प्रश्न
You are working in a biotechnology lab with a becterium namely E.coli. How will you cut the nucleotide sequence? explain it.
उत्तर
The DNA nucleotide sequence can be cut using Restriction endonucleases (RE). Restriction endonucleases – EcoRI cuts the DNA at GAATTC seqUence, producing sticky ends. CTTAAG
संबंधित प्रश्न
Mention some food items prepared with the help of microbes around the world.
Explain "Biological control".
Gari is made by
Vinegar is actually
Expand the following acronym which is used in the field of protechnology.
PCR
Give two types of gene therapy.
What is Germline therapy?
Which Recombinant proteins is obtained for Hepatitis-B by r-DNA technology.
Give scientific reason.
Recently made vaccines are safe.
Give scientific reason.
Sewage should not be discharged into the river without treatment.
Give scientific reason.
Genetically modified crops are beneficial to farmers.
Explain types of cloning.
Complete the following chart.
| Sr. No. | Plants | Functions |
| 1 | Pteris vitata | _______________ |
| 2 | Pseudomonas | _______________ |
| 3 | _______________ | To absorb uranium and arsenic. |
| 4 | _______________ | To absorb the radiations from radioactive debris. |
| 5 | Indian mustard | _______________ |
From the following identify the ways through which gene therapy can be used.
- Deliver bacterial or viral genes as a form of vaccination
- Supply genes that cause cancer cells to revert back to normal cells
- By introducing gene in an edible plant
- Deliver genes that speed the destruction of cancer cells
- Replace missing or defective genes
______ are NOT polymeric in nature.
Golden rice, a transgenic crop contains which of the following improved trait?
Give the useful application of the following transgenics.
BT Cotton
Classify the following to form Column B as per the category given m Column A.
- Provide tissues for human transplants
- Cancer research
- E. coli hygromycin-resistant gene
- Supply of factor IX.
| Column A: (Transgenic animal) |
Column B: (Application) |
|
| (a) | Transgenic mice | |
| (b) | Transgenic cattle | |
| (c) | Pig clones | |
| (d) | Transgenic fish |
Identify and complete the following correlation.
______ : Dwarfness : : Factor VIII : Haemophilia.
