Biology, 25.10.2019 23:43 scarletmartinez
In the meselson and stahl experiment, the starting escherichia coli culture was grown in heavy (15n) medium; the dna was 15n15n. after two generations of growth in light (14n) medium, the dna of the e. coli cells contained
a) 25% 15n15n dna, 50% 15n14n dna, and 25% 14n14n dna.
b) 25% 15n14n dna and 75% 14n14n dna.
c) 50% 15n14n dna and 50% 14n14n dna.
d) 50% 15n15n dna and 50% 14n14n dna.
e) 50% 15n15n dna and 50% 15n14n dna.
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In the meselson and stahl experiment, the starting escherichia coli culture was grown in heavy (15n)...
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