Question

The cell membrane is made up of what ?

Answer 1

The Cell Membrane. All living cells and many of the tiny organelles internal to cells are bounded by thin membranes. These membranes are composed primarily of phospholipids and proteins and are typically described as phospholipid bi-layers.

Answer 2

Question:-

The cell membrane is made up of what?

Answer:-

Proteins and lipids.

Step-by-step explanation:-

Lipids form a double layer that prevents water-soluble substances from passing through cells.

Proteins create channels that control the entry and exit of these substances into cells.