問題詳情
26. Bacteria are grown in isotopic 15N (heavy) medium and then transferred to 14N (light) medium andallowed to replicate for 2 generations. The DNA is subsequently isolated and centrifuged in a CsCl2 gradientto yield what type of gradient band(s)?
(A)One heavy and one half-heavy band.
(B) One light and one half-heavy band.
(C) One half-heavy (intermediate to heavy and light) band.
(D)One heavy band.
(E)One light band.
(A)One heavy and one half-heavy band.
(B) One light and one half-heavy band.
(C) One half-heavy (intermediate to heavy and light) band.
(D)One heavy band.
(E)One light band.
參考答案
答案：B
難度：計算中-1
書單：沒有書單，新增
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