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21/10/2021 5:51 pm
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Semi-conservative replication of DNA was first demonstrated in
(1) Salmonella typhimurium
(2) Escherichia coli
(3) Drosophila melanogaster
(4) Streptococcus pneumonia
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21/10/2021 5:53 pm
Correct answer: (2) Escherichia coli