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How was Insulin obtained before the adve...

How was Insulin obtained before the advent of rDNA technology ? What were the problems encountered ?

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Insulin used for diabetes was earlier extracted from pancreas of slaughtered cattle and pigs. Insulin from an animal source, though caused some patients to develop allergy or other types of reactions to the foreign protein.
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KUMAR PRAKASHAN-BIOTECHNOLOGY AND ITS APPLICATIONS-Section - E (Solution of NCERT Examplar (Very Short Answer Type Questions))
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  2. Expand GMO. How is it different from a hybrid ?

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  6. Write a short note on biopiracy highlighting the exploitation of devel...

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  8. While creating genetically modified organisms, genetic barriers are no...

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  9. Why has the Indian Parliament cleared the second amendment of the coun...

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  10. Give any two reasons why the patent on Basmati should not have gone to...

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  11. How was Insulin obtained before the advent of rDNA technology ? What w...

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  12. With respect to understanding diseases', discuss the importance of tra...

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  13. Name the first transgenic cow. Which gene was introduced in this cow ?

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  14. PCR is a useful tool for early diagnosis of an infectious disease. Ela...

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  15. What is GEAC and what are its objectives?

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  16. For which variety of Indian rice, the patent was filed by a USA Compan...

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  17. Discuss the advantages of GMO.

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