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Name the genes that constitute an operon...

Name the genes that constitute an operon. How does lac operon get switched on in the presence of lactose?

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The Lac operon gets switched on when

In E. coli, the lac operon gets switched on when

In E.coli, the lac operon gets switched on when :

Lac operon is

The Lac Operon

In lac operon i gene codes for :

In lac operon the lac mRNA

Remember, glucose or galactose cannot act as inducers for lac operon. Can you think, of how long the lac operon would be expressed in the presence of lactose?

Lac operon is related with :

MODERN PUBLICATION-MOLECULAR BASIS OF INHERITANCE -REVISION EXERCISES (Long Answer Type Questions)
  1. Write three characteristics of genetic code.

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

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

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

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

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

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

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  8. Explain Hershey-Chase experiment. What was proved through this experim...

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  9. How did Alfred Hershey and Martha Chase arrive at the conclusion that ...

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

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

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

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

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

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

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

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

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

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

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

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