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Answer:
Cell membrane surround cells, but cell wall is an extra covering outside plant cells, made up of cellulose
Answer:
All eukaryotic cells have a surrounding plasma membrane, which is also known as the cell membrane. The plasma membrane is made up by a phospholipid bilayer with embedded proteins that separates the internal contents of the cell from its surrounding environment.
The external structures of the prokaryotic cell include a plasma membrane, cell wall, and capsule (or slime layer).
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