The plasma membrane is made up of a bilayer with molecules embedded in it.
A
phospholipid
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B
lignin
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C
cellulose
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D
protein
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E
phosphate
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Solution
The correct options are A phospholipid D protein The cell membrane (or plasma membrane) is a thin, structured layer of phospholipid and protein molecules that completely envelopes the cell. There are two layers phospholipid molecules with phosphate heads on the surfaces and lipid tails on the inside. Proteins are embedded in this layer.