What is the main function of lipids

Lipids are used for storing energy, signaling, and acting as the structural components of the cell membranes.

The main function of lipids in living things is to provide as the alternate source of energy from energy store, following behind carbohydrates.
In addition, lipids is also the component of cell membrane, they make up layers of the membrane. Lipids also function as an insulator to heat loss, that way living things can maintain a suitable temperature.

What is the difference between cytokinesis in plant and animal cells? animal cells dived by a cleavage furrow. plant cells divide by a cell plate that eventually becomes the cell wall. cytoplasm and cell membranes are necessary for cytokinesis in both plant and animals.