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Semiconservative replication of DNA was first demonstrated in:

Option: 1

Escherichia coli


Option: 2

Streptococcus pneumoniae


Option: 3

Salmonella typhimurium


Option: 4

Drosophila melanogaster


Answers (1)

best_answer
  • Meselson and Stahl conducted an experiment to show that DNA replicates semi-conservatively, which means that each strand in a DNA molecule serves as a template for the creation of a new, complementary strand.
  • The Meselson-Stahl experiment was an examination which exhibited that DNA replication was semiconservative.
  • This was acknowledged by utilizing E.coli DNA which had an N15 nitrogen isotope (heavier than normal nitrogen) and then putting it into N14 media.

Hence, the correct response is option 1).

Posted by

Pankaj Sanodiya

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