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प्रश्न
Define biotechnology? Which are the basic principles and process of biotechnology?
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
Name the genes responsible for making Bt cotton plants resistant to bollworm attack. How do such plants attain resistance against bollworm attacks? Explain.
The enzyme nuclease hydrolyses ______ of polynucleotide chain of DNA.
ECoRI is obtained from ______.
______ is a Type I restriction enzyme.
Following are the four statements regarding separation of DNA fragments using Gel electrophoresis. Identify the INCORRECT statements.
i. DNA is negatively charged molecule and so it is loaded on gel towards the Anode terminal.
ii. DNA fragments travel along the surface of the gel whose concentration does not affect movement of DNA.
iii. Smaller the size of DNA fragment, larger is the distance it travels through it.
iv. Pure DNA can be visualized directly by exposing to UV radiation.
Polymerase Chain Reaction is made possible by ____________.
Lytic cycle involves bacteriophage and ____________.
The most important feature in a plasmid to serve as a vector in gene cloning experiment is ______.
Which of the following is the correct recognition sequence of restriction enzyme Eco RI?
Which of these are most widely used in genetic engineering?
