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試卷名稱：113年 - 113 國立臺灣大學_碩士班招生考試試題：普通生物學B#125258
年份：113年
科目：研究所、轉學考(插大)-普通生物學
27. To move sucrose molecules from leaves to roots, the sucrose molecules must enter sieve elements. This involves:
(A) moving the molecules through plasmodesmata.
(B) the use of ATP to pump sucrose molecules with their concentration gradient across the plasma membrane.
(C) the use of ATP to pump sucrose molecules against their concentration gradient across the plasma membrane.
(D) the pumping of sucrose molecules across the plasma membrane with their concentration gradient without the use of ATP.
(E) the pumping of sucrose molecules across the plasma membrane against their concentration gradient without the use of ATP.
