Multiple Choice
A plant cell placed in a solution with a higher water potential will __________.
34. Vascular Plant Transport
Water Potential
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Why does rapid movement of water molecules across the plasma membrane of a plant cell occur?
A
Simple diffusion
B
Transport proteins
C
Aquaporins
D
None of the specific responses listed is correct.
E
All of the specific responses listed are correct.
Verified step by step guidance1
Understand the concept of osmosis, which is the movement of water across a semi-permeable membrane from an area of low solute concentration to an area of high solute concentration.
Recognize that simple diffusion is a process where molecules move from an area of high concentration to an area of low concentration without the need for energy or transport proteins.
Learn about transport proteins, which facilitate the movement of substances across the cell membrane. In the case of water, specific proteins called aquaporins are involved.
Aquaporins are integral membrane proteins that form pores in the membrane, allowing for rapid and efficient water transport across the cell membrane.
Combine the understanding that all these mechanisms—simple diffusion, transport proteins, and aquaporins—can contribute to the rapid movement of water molecules across the plasma membrane in plant cells.
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Water Potential practice set
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