試卷名稱:109年 - 109 國立清華大學_碩士班考試入學試題_生命科學院甲組:生物學#125877
年份:109年
科目:研究所、轉學考(插大)◆生物學
34. Why is nitrogen fixation an essential process?
(A)Nitrogen fixation can only be done by certain prokaryotes.
(B)Fixed nitrogen is often the limiting factor in plant growth.
(C) Nitrogen fixation is very expensive in terms of metabolic energy.
(D) Nitrogen fixers are sometimes symbiotic with legumes.