Biology- Specialised Cells

• Eukaryote


  organisms whose cells have a nucleus. All animals, plants, fungi and many unicellular organisms
• Prokaryote


  organisms whose cells lack a nucleus and other organelles. Prokaryotes are divided into two groups: bacteria and archaea
• Differentiation


  When cells express specific genes that characterise a certain type of cell
• Specialisation


  adaptation of an organ or part to serve a special function or to suit a particular way of life
• red blood cells


  adapted to carry oxygen around the body. No nucleus
• neurones/nerve cells


  send and recieve messages from the nervous system.