If kept in $0.8\% \ NaCl$ solution,$R.B.Cs$ will:

Desmosomes or Tonofibrils are

$A -$ $A$ cell is a closed compartment for all substances.
$R -$ Plasma membrane of a cell is selectively permeable.

Who proposed the $Fluid$ $Mosaic$ $Model$ for the plasma membrane?

Select the correct statements regarding cell membrane in eukaryotic cell.
$A$. Membrane of human $RBCs$ has approximately $52\%$ protein.
$B$. Major phospholipids are arranged in a bilayer.
$C$. Extensions of the plasma membrane into the cell form mesosomes.
$D$. Tails towards the inner part of lipids are hydrophobic and thus protected from aqueous medium.
$E$. Glycocalyx is present on the outer surface of the plasma membrane.
Choose the correct answer from the options given below:

What is the cell membrane composed of?