One E.coli bacterium contains a hybrid DNA with one heavy N15 strand and one light N14 strand. It was allowed to replicate for 3 hours in a medium containing N15. What proportion of E.coli which will neither float nor sink in the test tube on ultra-centrifugation with CsCl?
a) one out of 2^8
b) one out of 2^9
c) one out of 2^10
d) one out of 2^7
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Answer: option b
Explanation:
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Answer:
one out of 2^9
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