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21. What is complementary DNA (cDNA) ?

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(i) Escherichia coli a bacteria.

(ii) Aspergilus niger a fungus.

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23. What is the application of genetically engineered bacterium namely Pseudomonas putida ?

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24. Expand GEAC.

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25. How did the first transgenic cows Rosie differ from other cows with respect to the quality of milk ?

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26. List three critical research areas of biotechnology.

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27. Give the few characteristics of GMOs.

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28. List a few transgenic organisms and their potential application.

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29.

What are Cry proteins? Name an organism that produce it. How has man exploited this protein to his benefit?

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30. Mention any six fields of application of biotechnology for human welfare.

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