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Assertion : RNA being a catalyst was rea...

Assertion : RNA being a catalyst was reactive and hence unstable.
Reason : DNA has evolved from RNA with chemical modifications that make it more stable.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
B
`**` RNA being a catalyst was reactive and hence unstable.
`**` DNA has evolved from RNA with chemical modification that make it more stable.
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A2Z-MOLECULAR BASIS OF INHERITANCE-Section B: Assertion-reasoning Questions
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  2. Assertion : For the transmission of genetic information, RNA is better...

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  3. Assertion : RNA being a catalyst was reactive and hence unstable. Re...

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  4. Assertion : E. coli divides in 20 minutes. Reason : In E. coli the p...

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  7. Assertion : If a piece of DNA to be propagated during recombinant DNA ...

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  8. Assertion : In transcription only a segment of DNA and only one of the...

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  10. Assertion : Split genes are found in eukaryotes. Reason : Introns or...

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  12. Assertion : Nucleotide triphosphates acts as substrates during transcr...

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  13. Assertion : There is single DNA-dependent RNA polymerase that catalyse...

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  14. Assertion : The transcription and traslation can be coupled in bacteri...

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  15. Assertion : The relationship between genes and DNA are best understood...

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  16. Assertion : The HGP was coordinated by the U.S. Department of Energy a...

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  17. Assertion : Almost all (99.9%) nuceotide bases are exactly the same in...

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  19. Assertion : Chromosome 1 has 231 genes and the Y has 2968 genes. Rea...

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  20. Statement A : The primary transcript produced in eukaryotic is transla...

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