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Form and Function B.7 Transport (id: dd330fcf7)

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admin 发表于 2024-2-8 05:10:37 | 显示全部楼层 |阅读模式
本题目来源于试卷: Form and Function B.7 Transport,类别为 IB生物学

[单选题]
What is the main factor that causes the pressure inside xylem vesspgfnao /ju)kop rf.1f q3r9m(5 ,jam. els to ;,+nw vd3lxa*wh8x zfb :.jjnbe lower than atmo* jxwavfhj8b,x; lwn+:dz 3n .spheric pressure?

A. Cohesive properties of water inside xylem vessels
B. Evaporation of water during transpiration
C. Water molecules sticking to the walls of xylem vessels
D. Exchange of oxygen and carbon dioxide through the stomata


参考答案:  B


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