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Assertion : In Griffith's experiment, a...

Assertion : In Griffith's experiment, a mixture of heat-killed virulent bacteria R and live non - virulent bacteria S, lead to the death of mice.
Reason : 'Transforming principle' got transferred from heat -killed R strain and made it virulent.

A

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

B

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

C

If assertion is true but reason is false

D

if both assertion and reason are false.

Text Solution

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The correct Answer is:
b
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  2. If the base sequence of a codon in mRNA is 5'-AUG-3', the sequence of ...

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  3. The amino acid attaches to the tRNA at its

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  4. To initiate translation, the mRNA first binds to

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  5. In E. coli, the lac operon gets switched on when

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  9. Assertion : The mechanism of DNA replication is semi-conservative in n...

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  10. Assertion : Synthesis of daughter or new srand accurs continuously al...

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  11. Assertion : Template or antisense strand , having 3' rarr 5' polarity...

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  13. Assertion : Eukaryotic mRNA requires post transcription processing for...

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  14. Assertion : A change in nitrogen bass at the third position of a codo...

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  15. Assertion : tRNA recognises its corresponding codon in mRNA. Reason...

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  16. Assertion : Untranslated regions are sequences of RNA before initiat...

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  17. Assertion : The predominant site for control ofgene expression in pro...

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  19. Assertion : Repetitive sequences make up very large portion of human g...

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  20. Assertion : When the DNA sequences of two people are cut using the sam...

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