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Ezra
Jordan
TaigaIn osmosis, water molecules move across a semi-permeable membrane in response to a concentration gradient. The size of the molecules that can move through the membrane is typically limited to small molecules such as water, ions, and sometimes small solutes like glucose. Larger molecules like proteins are generally unable to pass through.
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What types of molecules are moved in osmosis?
In osmosis, water molecules move across a semi-permeable membrane from an area of higher concentration to an area of lower concentration. This movement of water helps to balance the concentration of solute particles on both sides of the membrane.
What molecules move across during osmosis?
Water molecules are the primary molecules that move across during osmosis. Osmosis is the movement of water molecules from an area of higher concentration to an area of lower concentration across a selectively permeable membrane.
Is energy used in diffusion osmosis or active transport?
Energy is used in active transport, where molecules are moved against their concentration gradient with the help of proteins in the cell membrane. In contrast, diffusion and osmosis are passive processes that do not require energy as molecules move from an area of higher concentration to an area of lower concentration.
Why have the lengths of the potato strips changed during osmosis?
The potato strips changed length during osmosis because water molecules moved across the semi-permeable membrane from an area of higher water concentration to an area of lower water concentration. This caused the cells in the potato strips to either gain or lose water, leading to changes in their size and length.
What type of membrane is required for osmosis?
A selectively permeable membrane is required for osmosis. This membrane allows the passage of water molecules but restricts the movement of solute particles based on their size and charge.
