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How long does it take for E. Coli to replicate?

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in Biology – Class 12 by (271k points)
How long does it take for E. Coli to replicate?

(a) 10 minutes

(b) 20 minutes

(c) 18 minutes

(d) 21 minutes

I got this question in an interview for internship.

The origin of the question is The Machinery and the Enzymes for Replication of DNA in portion Molecular Basis of Inheritance of Biology – Class 12

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Right answer is (c) 18 minutes

The best I can explain: The E. Coli has a total of 4.6 × 10^6 base pair. It completes its process of replication within 18 minutes. This means that the average rate of polymerisation of E. Coli DNA is 2000 base pairs per second.

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