Question

what is Plasma membranes who discovered it and also mentions it function

Answer 1

• it is selectively permeable thin film like covering membrane of a cell.

• beside plasma membrane, in eukaryotic cells a intracellular membrane is present, which surround the vacuole and organelles.

• danielli and davson( 1935) proposed a trimellar model,states that the plasma membrane is formed of a biomolecular layer of phospholipids


hope this answer is helpful to u

Answer 2

Hi there !!

Plasma membrane , which is also called cell membrane is the outer covering cell which separates the cell from it's outer surroundings.
The plasma membrane is semi-permeable in nature.

It was discovered be two Carl Naegeli and Crammer in the year 1855

Functions of Plasma membrane

-) The plasma membrane is semi-permeable in nature , meaning it allows only selective molecules to pass through it .

It also prevents entry of unwanted molecules.

-) It is through cell membrane that the process of osmosis and diffusion occurs inside the cell.

-) The plasma membrane is flexible and allows the movement of organic molecules called lipids and proteins.