alleryE. coli DNA is 1.36 mm long. At 0.34 nm per base pair, how many bp does it hold?
A4 x 10^9 bp
B4 x 10^6 bp
C4 x 10^3 bp
D4.6 x 10^9 bp
Answer & Solution
Correct answer: B. 4 x 10^6 bp
Dividing 1.36 x 10^-3 m by 0.34 x 10^-9 m per bp gives 4 x 10^6 base pairs.
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