Question

Choose all the answers that apply.

The cell membrane _____.

A.is made of phospholipids
B.s a single layer
C.is embedded with proteins
D.controls the transfer of materials into and out of the cell
E.does not exist in plant cells

Answer 1

everything is correct except letter b

Answer 2

The following apply:
1. Is made up of phospholipids.
2. Is embedded with proteins.
3. Controls the transfer of materials into and out of the cells.
The cell membrane is a regulatory organ that separate the interior of all cells from the external environment. It is made up of phospholipid bilayers which are embedded with proteins. Cell membrane is present in both plant and animal cells.