Question

in this lines according to this qausifluid nature of lipid......measured as fluidity. Q. does it means that the fluidity of membrane is measured in terms of movement of protein or it includes movement of lipid or phospholipids also...????

Answer 1

It means....... Tht
A cell membrane is quasi-fluid because it acts like a solid by enclosing the cell contents (something that a fully fluid liquid could not do) and also like a liquid by allowing molecules to move through it by osmosis and diffusion (something a solid would not do, or at least not at a fast enough rate)