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Biology, 22.11.2019 04:31, dlatricewilcoxp0tsdw
Suppose that in another world, dna does not undergo semiconservative replication, but instead a conservative mechanism is used. in a repeat of the meselson and stahl experiment, bacterial cells that are grown in 15n medium for many generations then transferred to 14n medium for two generations will have the following distribution of dna molecules in a cscl gradient:
a. ½ heavy, ½ light
b. ¼ heavy, ½ intermediate, ¼ light
c. ¼ heavy, ¾ light
d. ¾ heavy, ¼ light
e. impossible to predict
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Suppose that in another world, dna does not undergo semiconservative replication, but instead a cons...
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