Question

1. the diagram compares diffusion of sugar molecules and osmosis. explain the difference between osmosis and diffusion in cells.

Explanation:

• Diffusion: It is the movement of molecules (like sugar molecules in the diagram) from an area of higher concentration to an area of lower concentration. It can involve various types of molecules (not just water).
• Osmosis: It is a special case of diffusion. Specifically, it is the movement of water molecules across a semi - permeable membrane (like the lipid bilayer/cell membrane) from an area of lower solute concentration (higher water concentration) to an area of higher solute concentration (lower water concentration).

Answer:

Diffusion is the movement of molecules (e.g., sugar molecules) from high to low concentration. Osmosis is the diffusion of water across a semi - permeable membrane.