Question

the cell membrane is made up of

embedded in the bilayer are that carry out nearly all other membrane tasks.

Explanation:

The cell membrane is composed of a phospholipid bilayer. Embedded in this bilayer are proteins which perform various membrane - related functions like transport, signaling etc.

Answer:

The cell membrane is made up of a phospholipid bilayer.
Embedded in the bilayer are proteins that carry out nearly all other membrane tasks.