將大腸桿菌培養於葡萄糖與乳糖混合的培養液中一段時間，測到大腸桿菌的生長狀況如圖所示。試問丙階段是因為哪一種糖類被耗盡？進而誘導哪一種酵素合成？ (A) 葡萄糖；分解乳糖的酵素(B) 葡萄糖；分解

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5. 將大腸桿菌培養於葡萄糖與乳糖混合的培養液中一段時間，測到大腸桿菌的生長狀況如圖所示。試問丙階段是因為哪一種糖類被耗盡？進而誘導哪一種酵素合成？

(A) 葡萄糖；分解乳糖的酵素
(B) 葡萄糖；分解半乳糖的酵素
(C) 乳糖；合成葡萄糖的酵素
(D) 乳糖；分解葡萄糖的酵素
(E) 乳糖；合成半乳糖的酵素

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