81 當抗體由膜固著(membrane-bound)型式轉變為分泌(secreted)型式時,其原理為:
(A) DNA 重組(recombination)
(B) RNA 剪接(splicing)
(C)蛋白質裂解(degradation)
(D)新的基因表現(expression of a new gene)

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統計: A(2), B(13), C(2), D(1), E(0) #1177564