Describe three roles of membranes within cells.

Compartmentalisation - as different organelle's different metabolic reaction require different optimum environments such as pH and temperature. Site of chemical reactions such as photosynthesis or respiration. Acts as a receptor - glycolipids and glycoproteins act as receptors for proteins for both the cell and organelles within.

Related Biology A Level answers

All answers ▸

Describe how phagocytosis of a virus leads to presentation of its antigens and how presentation of this antigen leads to the secretion of an antibody against this virus antigen.


Explain the process of phagocytosis


Why is genetic diversity important within a population?


Explain Cohesion-Tension Theory