Siamese cats are known and characterized on the basis of the regions that are light or dark on the part of the body of these cats as according the cooler part of the body.
It is influenced by the enzyme that is active due to low temperature that leads to the formation of the dark pigment in the cooler area and in the part of the body that are higher in temperature are lighter due to inactivity of the enzyme.
Cell wall protects the cell from bursting or shrieking. (maintains the shape of a cell) While cell membrane regulates the entry of substances into the cell and exit from the cell wall.