EVERYDAY SCIENCE

SCIENCE

CELL BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Osmosis is the diffusion of ____ across a selectively permeable membrane.
A
food
B
air
C
water
D
oxygen
Explanation: 

Detailed explanation-1: -Osmosis is a simple diffusion process. The process of spontaneous net flow of solvent molecules from a selectively permeable membrane into a region of high solute concentration is referred to as osmosis.

Detailed explanation-2: -Osmosis is a specific type of diffusion; it is the passage of water from a region of high water concentration through a semi-permeable membrane to a region of low water concentration.

Detailed explanation-3: -The diffusion of water across a selectively permeable membrane is called: B. osmosis. Osmosis is a transport pathway that allows the movement of water molecules down the concentration gradient across the plasma membrane in most living organisms. The process occurs passively without the need to expend ATP energy.

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