Question icon
Grade 12Zoology

Molecular weight of E. coli DNA is 3.1 x 109 g/mol. Average molecular weight of
nucleotide pair is 660 g/mol and each nucleotide pair contributes to 0.34 nm to the length of
DNA. The length of
E. coli DNA molecule will be approximately

Profile image of jit mandal
8 Years agoGrade 12
Answers icon

1 Answer

Profile image of jitender
8 Years ago
660g/mol -->> .34nm1g/mol -->> .34/660 nm3.1×10^9 -->>> The length of E. coli DNA molecule will be approximately.34×3.1×10^9 / 660 = 1.6 × 10^6 nm = 1.6mm