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“Use of heavy isotope of nitrogen by Mes...

“Use of heavy isotope of nitrogen by Meselson and Stahl demonstrated semi-conservative mode of replication of a DNA molecule.” Explain how did they arrive at this conclusion.

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Name the heavy isotope used by Meselson and Stahl for proving the semiconservative mode of DNA.

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How Meselson and Stahl explained the concept of Semiconservative Replication of DNA experimentally?

Who proved semi-conservative replication of DNA experimentally and how? Explain.

How does replication of long DNA molecules occur ? Explain the process.

Meselson and Stahl used an isotope to demonstrate semiconservative nature of DNA duplication. Which isotope did they use ?

Isotopes used in proving semi-conservation replication of DNA were

Discuss the singnificance of heavy isotope of nitrogen in the Meselson and Stahl's experiment .

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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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