Shoaib Q- State one difference between diffusion and osmosis? Answer- Osmosis is the flow of water or any other solvent from a region of higher water concentration to a region of region of lower water concentration through a semipermeable membrane while Diffusion involves the movement of substances from higher concentration to lower concentration due to diffusion.
Q- What is the energy source for active transport through biological membrane? Answer- The energy source for active transport through biological membrane is ATP.
Q- Give the chemical nature of plasma membrane? Answer- The chemical nature of plasma membrane is liproteinous which is formed of lipid as well as protein. Easy way to draw labelled diagram of plasma membrane:
Q- Give the chemical nature of cell wall of plant cells. Answer- The chemical nature of cell wall of plant cell is of cellulose mainly the cell wall in plant cell is formed or consisted of cellulose. Easy way to draw labelled diagram of cellulose: