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Describe Frederick Griffith’s experiment...

Describe Frederick Griffith’s experiment on Streptococcus pneumoniae. Discuss the conclusion he arrived at.

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Describe briefly the Griffith's experiment?

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(a) Explain the experiment performed by Griffith on Streptococcus pneumoniae. What did he conclude from this experiment? (b) Name the three scientists who followed up Griffith's experiments. (c) What did they conclude and how?

a) Write the conclusin drawn by Griffith at the end of his experiment with Streptococcus pneumoniae. b) How did O.Avery, C.MacLeod and M. McCarty prove that DNA was the genetic material? Explain.

(a) Describe the various steps of Griffith's experiment that led to the conclusion of the 'Transforming Principle'. (b) How did the chemical nature of the 'Transforming Principle' get established ?

Describe Meselson and Stahl's experiment that was carried in 1958 on E. Coli. Write the conclusion they arrived at after the experiment.

In the light of Griffith's experiment , explain the action of two strains of Diplococcus pneumoniase and give his conclusion .

MODERN PUBLICATION-MOLECULAR BASIS OF INHERITANCE -REVISION EXERCISES (Long Answer Type Questions)
  1. How did Alfred Hershey and Martha Chase arrive at the conclusion that ...

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  2. Name the scientists who proved experimentally that DNA is the genetic ...

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  3. Describe Frederick Griffith’s experiment on Streptococcus pneumoniae. ...

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  4. (a) Describe this process of synthesis of fully functional mRNA in a e...

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  5. Describe with the help of labelled diagrammatic sketches the experimen...

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  6. (a) Write, what DNA replication refers to. (b) State the properties ...

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  7. Describe the structure of nucleic acid as proposed by Watson and Crick...

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  8. Give an account of post transcriptional modifications of a eukaryotic...

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  9. a) Write the conclusin drawn by Griffith at the end of his experiment ...

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  10. a) Explain the process of DNA replication with the help of a schematic...

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  11. (a) Describe the various steps of Griffith's experiment that led to t...

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  12. Describe how the lac operon operates, both in the presence and absence...

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  13. How did Hershey and Chase ~tablish that DNA is transferred from virus ...

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  14. What is an ‘Inducible Operon’? Explain the regulation of gene expressi...

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  15. (a) Describe the structure and function of a t-RNA molecules . Why i...

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  16. Write the different components of a lac - operon in E . Coli Explain i...

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  17. Describe Meselson and Stahl's experiment that was carried in 1958 on E...

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  18. (a) Describe the process of transcription in bacteria. (b) Explain t...

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  19. “Use of heavy isotope of nitrogen by Meselson and Stahl demonstrated s...

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  20. Explain the mechanism of translation that occurs in the ribosomes in a...

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