34.下列哪一具有功能的植物細胞沒有細胞核？(A) xylem (B) sieve tube cells only (C) companion cells only(D) both companion
問題詳情
34.下列哪一具有功能的植物細胞沒有細胞核？ (A) xylem (B) sieve tube cells only (C) companion cells only (D) both companion and parenchyma cells (E) both xylem and sieve tube cells