Plant and Animal Cell: Important Points Plant and Animal Cell: Cell wall: Functions of Cell Wall: Cell membrane: Cytoplasm: Functions of Cytoplasm: Cell Organelles: Endoplasmic Reticulum: Endoplasmic Reticulum is formed of three types of elements- Functions of Endoplasmic Reticulum: Golgi Apparatus or Golgi Complex: Functions of Golgi Apparatus: Mitochondria: Functions of Mitochondria: Ribosomes: Lysosomes: Functions of Lysosome: Centrosome: Plastids: Depending on their colour, the plastids can be categorised as under: Chloroplasts- Leucoplasts- Chromoplasts– Vacuole: Nucleus: Function of Nucleus: