Question

What macromolecules make up the cell membrane?

Answer 1

Phospholipids are the main component of a cell membrane

Explanation:

Phospholipids for the bilayer of the cell membrane, with their hydrophilic heads pointing to the inside and outside of the cell and the hydrophobic tails pointing inwards:

There are also carbohydrates and proteins in the cell membrane. This is also called the "Fluid Mosaic Model"

Hope that helps!