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59.所謂「雙重受精」是: (A) 2 個精細胞與雌配子體內的 2 個卵結合 (B) 雄配子體內的 2 個精細胞均與卵結合 (C) 雌配子體內有 2 個細胞分別與 2 個精細胞結合 (D) 1個精細胞
問題詳情
59.所謂「雙重受精」是:
(A) 2 個精細胞與雌配子體內的 2 個卵結合
(B) 雄配子體內的 2 個精細胞均與卵結合
(C) 雌配子體內有 2 個細胞分別與 2 個精細胞結合
(D) 1個精細胞同時與卵及其他細胞結合。
參考答案
上一篇 :
58.有關發酵食品的敘述,下列何者正確? (A) 醬油是由酵母菌和細菌發酵製成 (B) 優酪乳是牛奶經酵母菌發酵而成 (C) 泡菜主要是酵母菌發酵的製品 (D) 酒精發酵是由酵母菌作用產生。
下一篇 :
60.原本應開花的短日照植物,若在其黑暗期間用短暫紅光照射處理就不會開花,其原因何在? (A) 紅光的照射時間太短 (B) 光敏素在照射紅光之後就失去活性 (C) 光照之後會造成 Pr 形式的光敏素累
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