Series 03 July 2025 Structure–function The functions of biomolecules, including lipids, nucleic acids and especially proteins are determined to a great extent by their structure.

National 5 Cell structure The functions of cell organelles Cells are microscopic building blocks of unicellular and multicellular living organisms.

Find out how vesicles function in the body and what the five main types of vesicle are. We also discuss how vesicles interact with other cells and pathogens.