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Heterochromatin is (a) Darkly stained re...

Heterochromatin is (a) Darkly stained region (b) Loosely packed chromatin (c) Transcriptionally inactive

A

Only (a)

B

Only (a) and (b)

C

Only (b) and (c)

D

Only (a) and (c)

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Heterochoromatin is (a) darkly stained region (b) loosely packed chromatin (c) transcriptionally inactive

Read the following satements and select the correct option. Loosely packed and light stained region of chromation are called as heterochromatin. (ii) Densely packed and dark stained region of chromatin are called as euchromatin. (iii) A typical nucleosome contains 200 bp of DNA helix.

Ligtly stained region of chromatin during interphase is

Which is the transcriptionally inactive chromatin ?

Euchromatin is: a. Loosely packed b. Stains light c. Transcriptionally active d. Early replicating Choose the option with the correct choice of characters.

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 :

Euchromatin is transcriptionally …..A……. chromatin and heterochromatin is transcriptionally …….B……. chromatin. Choose the correct option for A and B.

Name the transcriptionally active region of chromatin in a nucleus.

AAKASH INSTITUTE-TEST 6-EXAMPLE
  1. The experimental proof for semiconservative mode of DNA replication wa...

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  2. Select the correct match.

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  3. Heterochromatin is (a) Darkly stained region (b) Loosely packed chroma...

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  4. Select true (T) or false (F) for the following statements and choose t...

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  5. Mutation in a gene which codes for RNA polymerase III makes it non fun...

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  6. The chromosomes which contain maximum and minimum number of genes in h...

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  7. polymorphism in DNA sequence is the basis of which of the following? (...

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  8. Satellite DNA

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  9. HIV

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  10. Read the following statements and select the correct ones. A. M.S. Swa...

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  11. High yielding and disease resistant wheat varieties which were introdu...

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  12. Tropical sugarcanes grown in South India

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  13. The nutrient medium used for tissue culture does not contain (a) car...

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  14. Which of the following parts of a diseased plant is used to obtain hea...

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  15. Somatic hybridisation involves fusion of

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  16. Select the option which correctly fills the blanks. Association of fun...

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  17. Lactobacillus bacteria convert milk into curd select the correct state...

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  18. Cyclosporine A, which is used as an immunosuppressive, agent, is produ...

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  19. Biogas produced in anaerobic sludge digester is a mixture of

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  20. Bacteria which are utilized to produce gobar gas are

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