Is there cholesterol on the cell membrane of plant cells?

Hello! No cholesterol, but there are other sterols. Cholesterol in nature mainly exists in animal foods. There is no cholesterol in plants, but there is a substance with a very similar structure to cholesterol-phytosterol. Cell membrane can control the entry and exit of substances, thus playing a protective role. Cell membrane is mainly composed of lipids, protein and sugars, and the contents of each component are about 50%, 42% and 2% ~ 8% respectively. In addition, the cell membrane also contains a small amount of water, inorganic salts and metal ions.