QUESTION IMAGE
Question
- water is important for all cells. in this figure, water is entering the cell. which of the following best describes how water is entering the cell?
a. osmosis, a type of passive transport
b. osmosis, a type of active transport
c. facilitated diffusion, a type of passive transport
d. facilitated diffusion, a type of active transport
Osmosis is the movement of water molecules across a semi - permeable membrane from an area of higher water concentration to an area of lower water concentration. It is a type of passive transport as it does not require energy input. Facilitated diffusion involves the movement of substances (not water in this context) with the help of transport proteins. Active transport requires energy (ATP) to move substances against their concentration gradient. Since water is moving passively into the cell, it is through osmosis.
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A. osmosis, a type of passive transport