The experimental system used in studies of the discovery of replication of DNA has been
Drosophila melanogaster
Escherichia coli
Neurospora crassa
Pneumococcus
A
Pneumococcus
B
Escherichia coli
C
Neurospora crassa
D
Drosophila melanogaster
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Solution
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Escherichia coli is used for the studies related to the discovery of replication of DNA because of the following reasons:
a) E. coli is a single-celled organism and it grows and reproduces rapidly which leads to the enormous amount of sample DNA that can be used for the study and experiments.
b) E. coli can survive in variable growth conditions.
c) The naturally occurring strains of E.coli are harmless.
So, the correct answer is option C.
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