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Explain the functioning of lac operon sy...

Explain the functioning of lac operon system with the help of a diagram.

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Lac operon is

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Lac operon is related with :

What is an ‘Inducible Operon’? Explain the regulation of gene expression in prokaryotes with the help of ‘Lac-Operon'.

Given above is the schematic representation of lac operon of E.coli. Explain the functioning of this operon when lactose is provided in the growth medium of the bacteria.

The Lac Operon

Lac operon consists of

MODERN PUBLICATION-MOLECULAR BASIS OF INHERITANCE -REVISION EXERCISES (Long Answer Type Questions)
  1. Explain how Beadle and Tatum put forward the one gene one enzyme hypot...

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

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

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

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

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  6. Describe the structure of transcription unit in detail.

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

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  8. Write three characteristics of genetic code.

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

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

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

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

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

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

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

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

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

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

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

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

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