Lecithin is a type of phospholipid, which is a class of lipids that are a major component of all biological membranes. Phospholipids like lecithin have both hydrophilic and hydrophobic properties, making them essential in membrane structure. Lecithin is commonly found in cell membranes and in biological tissues.
List I | List II | ||
---|---|---|---|
A | Mesozoic Era | I | Lower invertebrates |
B | Proterozoic Era | II | Fish & Amphibia |
C | Cenozoic Era | III | Birds & Reptiles |
D | Paleozoic Era | IV | Mammals |