Practice question

A Combine electron microscopy with biochemical studies of membranes such as those of erythrocytes; infer a phospholipid bilayer containing surface and buried proteins, cholesterol and carbohydrates. Correct B Use only an unaided eye; infer that membranes consist entirely of cellulose. C Examine bacterial inclusion bodies; infer that every membrane is composed only of proteins. D Study chromosome arm length; infer the orientation of phospholipid heads and tails.