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Question

The mode of DNA replication in E. coli is

A
Conservative and unidirectional
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B
Semiconservative and unidirectional
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C
Conservative and bidirectional
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D
Semi-conservative and bidirectional
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Solution

The correct option is D Semi-conservative and bidirectional
The mode of DNA replication in E. coli is semi-conservative and bidirectional. DNA replication or its multiplication is the process of producing two identical replicas from one original DNA molecule. This biological process occurs in all living organisms and is the basis for biological inheritance. DNA is made up of two strands and each strand of the original DNA molecule serves as a template for the production of the complementary strand. This mode of replication is called as a semiconservative method of replication.
So, the correct answer is option D.

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