Which statements describe the structure of cell membranes?

Select all that apply.

Responses

Proteins, lipids, and carbohydrates are found in and on the cell membrane.
Proteins, lipids, and carbohydrates are found in and on the cell membrane.

A phospholipid bilayer forms the semipermeable cell membrane.
A phospholipid bilayer forms the semipermeable cell membrane.

The cell membrane contains proteins and lipids, but not carbohydrates.
The cell membrane contains proteins and lipids, but not carbohydrates.

A single layer of phospholipids forms the semipermeable cell membrane.