Question

Select the correct statement from the following
regarding cell membrane
[AIPMT(Prelims)-2012]
(1)Lipids are arranged in a bilayer with polar
heads towards the inner part
(2)Fluid mosaic model of cell membrane was
porposed by Singer and Nicolson
(3)Natand K+ions move across cell membrane
by passive transport
(4)Proteins make up 60 to 70%of the cell
membrane

Answer 1

Answer:

1 lipids are arranged in a bilayer with polar heads towards the inner part