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What type of transport does not require the assistance of a membrane protein?
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11. Biological Membranes and Transport
Facilitated Diffusion
Scelta multipla
Movement of water across a membrane is facilitated by proteins called _______:
A
Annexins.
B
Aquaporins.
C
Pores.
D
Hydroporins.
E
Selectins.
F
Symporters.
Guida verificata passo dopo passo1
Understand the concept of osmosis: Osmosis is the movement of water molecules across a semipermeable membrane from a region of lower solute concentration to a region of higher solute concentration.
Identify the role of proteins in facilitating water movement: Certain proteins embedded in the cell membrane facilitate the movement of water molecules across the membrane.
Recognize the specific protein involved: Aquaporins are the proteins that specifically facilitate the rapid transport of water across cell membranes.
Differentiate aquaporins from other membrane proteins: While other proteins like symporters and selectins have different functions, aquaporins are specialized for water transport.
Conclude that aquaporins are the correct answer: Based on the understanding of their function, aquaporins are the proteins that facilitate the movement of water across membranes.
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