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Assertion (A): Heterochromatin is transc...

Assertion (A): Heterochromatin is transcriptionally active.
Reason (R): Tightly packed chromatin which stains dark.

A

Both A and R are correct

B

A is correct R is incorrect

C

Rexplains A

D

A is incorrect R is correct

Text Solution

Verified by Experts

The correct Answer is:
D
A is incorrect R is correct
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FULL MARKS-MOLECULAR GENETICS-ADDITIONAL QUESTIONS (1 - MARK QUESTIONS)
  1. Identify the proper sequence in the organisation of eukaryotic chromos...

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  2. Assertion (A) : Genophore is noticed in prokaryotes. Reason (R): Bac...

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  3. Assertion (A): Heterochromatin is transcriptionally active. Reason (...

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  4. Assertion (A): Semi-conservative model was proposed by Hershey and Cha...

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  5. Kornberg enzyme is called as …………………

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  6. Replication of DNA occurs at ……………….. phase of cell cycle.

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  7. Semiconservative DNA replication was first demonstrated by

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  8. How many types of DNA polymerases does an eukaryotic cell possess?

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  9. Identify the incorrect statement

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  10. The discontinuously synthesized fragments of lagging strand are called...

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  11. Retroviruses posses ………………… as genetic material.

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  12. Which is NOT a part of transcription unit?

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  13. Goldberg - Hogness box of eukaryotes is equivalent to ……………………. of pro...

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  14. Okazaki fragments are joined in a correct sequence by

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  15. Match the following:

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  16. The RNA polymerase of prokaryotes binds with………………….. actor to initiat...

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  17. Precursor "mRNA"overset(A) rarrhnRNA

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  18. Which of the following feature is absent in prokaryotes?

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  19. Which of the following sequence has completely translated? (i) AGA, ...

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  20. Capping of mRNA occurs using …………………..

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