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What is a promoter in a transcription un...

What is a promoter in a transcription unit? Where is it located in DNA with reference to the structural gene?

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Promoter is DNA sequence that provides binding site for RNA polymerase and it is the presence of a promoter in a transcription unit that defines the template and coding strand.
It is located in the upstream of structural gene, and by convention it is called 5. end.
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OSWAAL PUBLICATION-MOLECULAR BASIS OF INHERITANCE -TOPIC-1: Short Answer Type Questions-I
  1. Define genetic material.

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  2. How does DNA express its biological information?

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  3. What is the function of non-sense strand of DNA?

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  4. In which direction are the leading and lagging strands synthesized dur...

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  5. How do histones acquire positive charge?

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  6. Why DNA is considered a better hereditary material than RNA?

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  7. Draw a labelled diagram of a transcription unit.

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  8. A short length of a DNA molecule contains 120 adenine and 120 cytosine...

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  9. A DNA contains 20,000 base pairs. How many nucleotides would be presen...

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  10. Draw a schematic representation of the structure of a transcription un...

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  11. Mention the function of promoter gene in transcription.

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  12. Why RNA is not a suitable genetic material in comparison with DNA ? Ex...

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  13. Differentiate between euchromatin and heterochromatin.

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  14. What do you understand by the antiparallel arrangement of DNA strands?

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  15. What is a promoter in a transcription unit? Where is it located in DNA...

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  16. What is a terminator? What is its significance in transcription?

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  17. What is a nucleotide? Give an example.

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  18. Mention 4 differences between RNA and DNA.

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  19. Write a note on central dogma of molecular biology.

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  20. Differentiate between continousand discontinuous syntheis of DNA.

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