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प्रश्न
Define biotechnology? Which are the basic principles and process of biotechnology?
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उत्तर
Definition:
Biotechnology refers to the development and utilization of biological forms, products or processes for obtaining maximum benefits to man and other forms of life.
- Biotechnology is based on the principles of chemical engineering, genetic engineering and adequate maintenance of sterile conditions.
- Following are the processes used in biotechnology:
- Repairing of the defective genes or replacing of defective genes by healthy genes or normal genes;
- Artificially synthesizing of a totally new gene
संबंधित प्रश्न
State the role of DNA ligase in biotechnology.
Explain the work carried out by Cohen and Boyer that contributed immensely in biotechnology.
What would be the molar concentration of human DNA in a human cell?
Distinguish between plasmid DNA and chromosomal DNA.
The rDNA technology has provided a method to control the nematode parasite Meloidogyne incognita. Explain the principle involved in this technique.
What would happen when one grows a recombinant bacterium in a bioreactor but forget to add antibiotic to the medium in which the recombinant is growing?
Which of the following statements are true about cloning vectors?
- Vectors are DNA molecules that carry a foreign DNA segment.
- The replicated DNA is introduced into the host cell.
- It possesses the origin of replication (Ori).
- Vectors may be plasmid, bacteriophage, Yeast artificial chromosomes (YACs), etc.
- Vectors do not require a selectable marker to identify and eliminate non-transformants.
Choose the correct answer from the options given below.
Write steps involved in gene amplification.
What is EcoRI?
The origin of replication is best described as:
