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Home Q & A Board Biology-Related Homework Help General Biology
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fitry fitry
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9 years ago Edited: 9 years ago, fitry
Assume that a strain of E. coli is grown for many generations in 15N (present in the
ammonium ion), a heavy isotope of nitrogen (14N). Under this condition, assume that the
DNA has a density of 1.723 gm/cm3 (with water being 1.00 gm/cm3). Assume that DNA
containing only the common form, 14N, has a density of 1.700. Bacteria from the 15N
culture were washed in buffer and transferred to 14N medium for one generation. DNA was
extracted.
Post Merge: 9 years ago

thanks
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#1
Educator
9 years ago
No question was asked here, though I found something helpful:

[Solved] Assume that a culture of E. coli was grown for approximately 50 generations in 1
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