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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?

Describe Griffith's experiment of transformation.

(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) 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 ?

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.

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 .

In a series of experiments with Streptococcus and mice F. Griffith concluded that R-strain bacteria had been transformed. Explain.

MODERN PUBLICATION-MOLECULAR BASIS OF INHERITANCE -REVISION EXERCISES (Long Answer Type Questions)
  1. Who gave unequivocal experimental proof that DNA is the genetic materi...

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  2. State the aim and describe Messelson and Stahl's experiment.

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

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  4. How did Hershey and Chase established that DNA is transferred from vir...

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  5. What do you mean by the term ‘Genome’? Add a brief note on Human Genom...

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  6. (a) Draw a labelled diagram of a "replicating fork" showing the polari...

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  7. Explain how Beadle and Tatum put forward the one gene one enzyme hypot...

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

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  9. Explain the functioning of lac operon system with the help of a diagra...

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  10. State the points of difference between DNA and RNA.

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  11. List the salient features of double helix structure of DNA.

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  12. Describe the structure of transcription unit in detail.

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  13. Given below is a part of the template strand of a structural gene bar(...

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  14. Write three characteristics of genetic code.

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  15. How did Hershey and Chase differentiate between DNA and protein in the...

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  16. Name the genes that constitute an operon. How does lac operon get swit...

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  17. (a) Explain with the help of schematic representation the lac operon o...

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  18. What is 'semi- conservative' DNA replication ? How was it experimenta...

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  19. One of the codons on mRNA is AUG. Draw the structure of tRNA adapter ...

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  20. Given below is a part of the template strand of a structural gene bar(...

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