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Why Bt toxin gene does not kill Bacillus...

Why Bt toxin gene does not kill Bacillus bacteria in which it is found ?

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Why is Bt toxin an endotoxin?

Assertion: Crystal protein does not kill the Bacillus & kill only insect Reason :In Bacillus it exist as inactive proteins but in insect it is converted into an active form due to acidic pH of the gut

Bt toxin kills insects by

Bt toxin genes are isolated from Bacillus thuringiensis and incorporated into crop plants making them insecticidal. The choice of genes depend upon

Assertion: Bt -toxines kills the Bacillus thuringiensis Reason :Bt-toxins exist as active toxins in Bacillus thuringiensis

Why does the Bt toxin not kill the bacterium that produces it but kills the insect that ingests it?

Consider the following statements. I. Specific Bt toxin genes have been isolated from Bacillus thuringiensis. II. Bt toxin in coded by a gene named cry III. Bt toxin protein exists as inactive protoxins. Which of the following statements given above are correct ?

Bt toxin kills the insect by

MODERN PUBLICATION-BIOTECHNOLOGY AND ITS APPLICATIONS-REVISION EXERCIES ( SHORT ANSWER TYPE - II QUESTION )
  1. What is gene therapy ? Illustrate using the example of Adenosine dem...

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  2. What short notes on : (a) Genetic Engineering . (b) Biopiracy.

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  3. Why Bt toxin gene does not kill Bacillus bacteria in which it is foun...

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  4. How does Agrobacterium act as natural genetic engineer of plants ?

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  5. Write short note on Gene therapy.

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  6. What are cloning vectors ? Name any one common vector used in experim...

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  7. Observe the sketch of stirred - tank bioreactor and label the part A,B...

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  8. Some ethical standards are required to evaluate the morality of all ...

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  9. Schematic represention of DNA fingerprints are shown below: (a)...

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  10. Write a short note on Bt cotton.

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  11. Bt in Bt cotton is?

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  12. Write a short note on Biopatent.

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  13. Briefly explain the principle and procedure of ELISA technique ?

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  14. Describle in brief the process of human insulin production by biotec...

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  15. What is Single Cell Protein (SCP)? Name two algae used to produce SCP.

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  16. What is human genome project? Write the functional aspects of human g...

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  17. Why is Agrobacterium tumefaciens a good cloning vector ? Explain.

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  18. What are transgenic plants ? Give two examples.

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  19. Write note on the following : (i) Gene gun (ii) Tools of genetic e...

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  20. Write about the function and principle of ELISA technique.

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