27. In homologous genetic recombination, RecA protein is involved in:
(A) formation of Holliday intermediates and branch migration.
(B) introduction of negative supercoils into the recombination products.
(C) nicking the two duplex DNA molecules to initiate the reaction.
(D) pairing a DNA strand from one duplex DNA molecule with sequences in another duplex, regardless of complementarity.
(E) resolution of the Holliday intermediate.

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考點觀念 本題在測驗**同源重組（hom...
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