本题目来源于试卷: Form and Function B.3 Membranes & Membrane Transport，类别为 IB生物学
[单选题]
Which of the structures below caq. y n,leu)usk 2yvfr7l*0sj.uag xn43i4xj;n transpod. s38+zd2l- m1*mjdc uz lpohrt water molecules across the cell membrane? lj8 chzl*dp1mmd2.3s -uzo+d
A. Cholesterol
B. Glycoproteins
C. Protein pumps
D. Protein channels
参考答案: D
本题详细解析:
Water is transported passively via protein channels known as aquaporins. Cholesterol (Choice A) and glycoproteins (Choice B) are not components responsible for transport while protein pumps (Choice C) carry out active transport which is not utilized in the transport of water.
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