The thickness of the bimolecular lipid layer in a cell membrane is generally:

Who proposed the concept of the unit membrane?

Monovalent ions (e.g.,$Na^+, K^+$) $A$ the membrane permeability,while divalent ions $B$ the same. Complete the given statement by filling in the appropriate option for ($A$ and $B$).

Which statement is incorrect regarding the cell membrane?

Which scientists proposed the most widely accepted model of the cell membrane?

Gram $-ve$ and Gram $+ve$ bacteria have a cell membrane composed of: