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Searched Tag : Radioactive thymidine
By
Radhika Viswas
on
06 Aug 22
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 shall be correct ?
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Both the strands of DNA will be radioactive
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One strand radioactive
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Each strand half radioactive
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None is radioactive
Answer :
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By
Radhika Viswas
on
06 Aug 22
Radioactive thymidine when added to the medium surrounding living mammalian cells gets incorporated into the newly synthesized DNA. Which of the following types of chromatin is expected to become radioactive if cells are exposed radioactive thymidine as soon as they enter the S-phase?
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Heterochromatin
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Euchromatin
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Both (A) and (B)
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Neither heterochromatin nor euchromatin but only the nucleolus
Answer :
View Answer.
By
Radhika Viswas
on
06 Aug 22
Radioactive thymidine when added to the medium surrounding living mammalian cells gets incorporated into the newly synthesised DNA. Which of the following types of chromatin is expected to become radioactive if cells are exposed radioactive thymidine as soon as they enter the S-phase?
-
Heterochromatin
-
Euchromatin
-
Both A and B
-
Neither heterochromatin nor euchromatin but only the nucleolus