阿摩線上測驗
26. Bacteria are grown in isotopic 15N (heavy) medium and then transferred to 14N (light) medium and
allowed to replicate for 2 generations. The DNA is subsequently isolated and centrifuged in a CsCl2 gradient
to 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.
答案：登入後查看
統計： A(4), B(36), C(3), D(1), E(1) #2430320
統計： A(4), B(36), C(3), D(1), E(1) #2430320
