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Ernest chain and Howared Florey's contri...

Ernest chain and Howared Florey's contribution was

A

discovery of streptokinase

B

establishing the potential of penicillin as an effective antibiotic

C

discovery of the DNA sequences

D

isolating the bacterial plasmid

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The correct Answer is:
B
The first antibiotic was discovered by Alexander Fleming, while working on Staphylococci bacteria. The potential use of Penicillium as an effective antibiotic was established hby Ernst Chain and Howard Florey. They were awarded Nobel Prize in 1945 for this work Penicillium was extensively used in treating American soldiers wounded in Word War - II.
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ARIHANT NEET-BIOTECHNOLOGY AND ITS APPLICATIONS -CHAPTER EXERCISES ((C ) MEDICAL ENTRANCES GALLERY )
  1. In India, research in genetic modification of organisms and safety is...

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  2. Which is correct regarding genetically engineered insulin using E.coli...

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  3. Ernest chain and Howared Florey's contribution was

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  4. Insect pest resistant Bt-cotton plant was developed using:

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  5. The strategy used to prevent the nematode infection in the roots of to...

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  6. Name the nematode which infects the roots of tobacco plants

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  7. A transgenic food crop which may help in solving the problem of night...

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  8. Match the following Columns. {:(,"Column I",,,"Column II"), (A.,...

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  9. RNA interference which is employed in making tobacco plant resistant t...

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  10. ADA deficiency results in

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  11. Select the correct option for the given statements I, II and III. ...

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  12. Bt-cotton is resistant to:

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  13. Which one of the following bacteria is used for production of transgen...

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  14. Bt brinijal an axample of transgenic crops. In this Bt refers to

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  15. alpha - 1 antitrypsin (AAT) protein is used to treat which dise...

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  16. Product of biotechnology is

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  17. Human insulin is being commercially produced from a transgenic species...

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  18. Medical gene product used to treat cystic fibrosis is

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  19. Cultivation of Bt Cotton has been much in the news . The prefix "Bt" m...

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  20. Which of the following is obtained from genetic engineering?

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