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E. coli's 4.6 million base pairs replicate in approximately:

A4 minutes
B42 minutes
C42 hours
D42 seconds
Answer & Solution
Correct answer: B. 42 minutes
1. Replication proceeds both ways from one origin. 2. It takes about 42 minutes. 3. About 1000 nucleotides are added per second. _Source: OpenStax Biology 2e, Chapter 14, DNA Structure and Function (CC BY 4.0)._
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