The plant cuticle is a specialised extracellular barrier that covers aerial organs and comprises two major components: a polyester matrix (cutin) and embedded or overlying cuticular waxes. Cuticular ...
A honeybee crawls into a hexagonal cell of a honeycomb in a hive. A worker bee on honeycomb. The wax used to make queen cells is chemically and architecturally distinct from the wax of worker cells.