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DIFFERENCE BETWEEN EUCHROMATIN & HETEROC...

DIFFERENCE BETWEEN EUCHROMATIN & HETEROCHROMATIN

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Densely packed and dark stained chromatin regins are called hetorochromation, while, loosely packed light stainded regions are called euchromatin .
Euchromation is transcriptionally active and is transcribed into mRNA. Due to very tight coiling heterochrochromation can not be transcribed and is inert/inactive form.
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Consider the following statements : A. RNA has evolved from DNA with chemical modification that make it more unstable. B. Central dogma in molecular biology states that the genetic information flows from DNA rarr RNA rarr Protein. C. In some virsus like tobacco mosaic viruses, QB bacteriophage, DNA is the genetic material. D. Euchromatin is said to be transcriptionally active chromatin, whereas heterochromatin is inactive. Of the above statements :

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Questions|DNA Packaging |Histone And Non Histone Proteins|Heterochromatin And Euchromatin|OMR

Questions|DNA Packaging |Histone And Non Histone Proteins|Heterochromatin And Euchromatin|OMR

NCERT EXEMPLAR-MOLECULAR BASIS INHERITANCE -Molecular Basis Inheritance
  1. In E. coli, the lac operon gets switched on when

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  2. What is the function of histones in DNA packaging ?

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  3. DIFFERENCE BETWEEN EUCHROMATIN & HETEROCHROMATIN

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  4. The enzyme DNA polymerase in E. coli is a DNA dependent polymerase and...

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  5. What is the cause of discontinuous synthesis of DNA on one of the pare...

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  6. Given below is the sequence of coding strand of DNA in a transcription...

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  7. What is DNA polymorphism? Why is it important to study it?

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  8. Based on your understanding of genetic code, explain the formation of ...

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  9. Sometimes cattle or even humen beings give birth to their young ones t...

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  10. In a nucleus, the number of ribonucleoside triphophates is 10 times th...

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  11. Name a few enzymes involed in DNA replication other then DNA polymeras...

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  12. Name any three viruses which have RNA as the genetic material.

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  13. Define transformation in Griffith's experiment. Discuss how it helps i...

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  14. Who revealed biochemical nature of the transforming principle?

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  15. Discuss the singnificance of heavy isotope of nitrogen in the Meselson...

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  16. Define a cistron. Giving examples differentiate between monocistronic ...

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  17. Give any six features of the human genome.

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  18. During DNA replication, why is it that the entire molecule does not o...

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  19. Retroviruses do not follow central dogma. Comment.

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  20. In an experiment, DNA is treated with the compound which tends to plac...

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