Looking for classes? Ksquare Career Institute, Bengaluru →
Select the correct statement from the following regarding cell membrane
A
Fluid mosaic model of cell membrane was proposed by Singer and Nicolson
B
$Na^+$ and $K^+$ ions move across cell membrane by passive transport
C
Proteins make up 60 to 70% of the cell membrane
D
Lipids are arranged in a bilayer with polar heads towards the inner part
Detailed Solution
The fluid mosaic model of the cell membrane was proposed by Singer and Nicolson (1972).
$Na^+$ and $K^+$ are moved by active transport (the $Na^+/K^+$ pump); in the human RBC membrane proteins are about 52 per cent; and the polar heads of the lipids face outwards while the hydrophobic tails face inwards.
$Na^+$ and $K^+$ are moved by active transport (the $Na^+/K^+$ pump); in the human RBC membrane proteins are about 52 per cent; and the polar heads of the lipids face outwards while the hydrophobic tails face inwards.