問題詳情
4. 下列為篩選營養突變型細菌的四個步驟，請排列先後順序。甲、將野生型親代置於 UV 光下照射一段時間；乙、由原始的培養皿上，挑選在缺乏營養物的培養皿上呈現空白的菌落；丙、將野生型親代塗抹於培養基，使單一的菌落均勻分散於培養基上；丁、利用消毒過的絨布，將原始培養皿上的菌落印到缺乏營養物的培養基上。
(A) 甲→丙→乙→丁
(B) 甲→丙→丁→乙
(C) 丙→甲→丁→乙
(D) 丙→乙→丁→甲
(E) 甲→丁→乙→丙
參考答案
無參考答案
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