AIIMS 2012 Biology Question Paper for free online practice with solutions

Fluid mosaic model of plasma membrane was given by Singer and Nicholson in year 1972. The biological membrane are considered to be a quasified structure in which the lipids and integral proteins are arranged in a mosaic manner.
Goiter and Grantal measured the lipid content of haemolyzed eythrocytes and concluded that cell membrane are chiefly formed of phospholipids arranged to form a bimolecular lipid sheet.