Describe the process of osmosis in cells.

Water molecules move down their concentration gradient, across the partially permeable cell membrane, from a high concentration to a low concentration. Osmosis continues until the concentration of water molecules is equal on both sides of the cell membrane.

AM

Related Biology GCSE answers

All answers ▸

Describe how low blood water levels are controlled in the human body. (5 marks)


Two snails belong to the same species. Yellow shelled snails found in grassland areas, dark shelled ones in woodland. Shell colour determined by genes. Explain how natural selection could have caused this distribution of snails


What does osmosis mean and what does the movement of water do to cells?


How can we treat coronary heart disease? (OCR 21st century Biology)