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Question
Choose the correct statement for RNA fractionation.
Options:
A .  The RNA is fractioned by size but before separating on oligo-dT cellulose
B .  A sucrose density gradient is used
C .  The RNA is applied to the top of a pre-poured gradient and during centrifugation smaller molecules move down the tube faster
D .  Different bands are formed according to the density in the sucrose density gradient
Answer: Option B
Answer: (b).A sucrose density gradient is used
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