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E. coli about to replicate was placed in...

E. coli about to replicate was placed in a medium containing radioactive thymidine for five minutes. Then it was made to replicate in a normal medium. Which of the following observation will be correct ?

A

Both the strands of DNA will be radioactive

B

Each strand half radioactive

C

One strand radioactive

D

None is radioactive

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The correct Answer is:
C
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GRB PUBLICATION-THE GENETIC MATERIAL-DNA REPLICATION
  1. DNA is not directly involved with the synthesis of the following

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  2. The distance between two base - pairs in DNA is :

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  3. E. coli about to replicate was placed in a medium containing radioacti...

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  4. Match the following :

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  5. In DNA, the complementary bases are :

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  6. In the DNA molecule

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  7. Match List -I and List -II and select the answer using the codes :

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  8. In a DNA molecule, the adenine is 15% . What will be the percentage of...

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  9. DNA can be formed by :

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  10. The RNA primer is used in :

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  11. Meselson Stahl experiment on semiconservative replication demonstrate ...

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  12. The method developed by Matthew Meselson and Franklin Stahl to separ...

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  13. Assertion (A) : Replication and transcription occur in the nucleus but...

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  14. Assertion (A) : DNA code is copied in the synthesis of m-RNA. Reason...

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  15. The strand of DNA acting as template for m-RNA transcription is : A....

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  16. Which of the following be named for DNA produced from RNA ?

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  17. Semiconservative replication of DNA was first demonstrated in

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  18. Whose experiments cracked the DNA and discovered unequivocally that a ...

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  19. There is no DNA in

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  20. In microbial genetics which one is referred to as "Griffith effect"?

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