Question

If the bacteria E.coli synthesize DNA at a rate of 100,000 nucleotides per min and takes 30 min to replicate the DNA how many base pairs are in an E.coli chromosome.

Answer 1

Based just on the information given, 1.5 million bp. 


 

Answer 2

If the bacteria E. coli synthesizes DNA at a rate of 100,000 nucleotides per min and takes 30 min to replicate the entire DNA, the number of base pairs in its DNA would be 15,000,000

100,000 nucleotides per minutes

In 30 minutes = 100,000 x 30

                            = 30,000,000 nucleotides

Since nucleotides are always in pairs:

                             30,000,000/2

                                  = 15,000,000 nucleotide pairs

Therefore, the total number of base pairs in the DNA would be 15,000,000

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