The Fluid Mosaic Model Proposed by Singer and Nicolson in 1972

question 48

Multiple Choice

The fluid mosaic model proposed by Singer and Nicolson in 1972 explained that

• A)the cell membrane was composed of lipids and proteins.
• B)the cell membrane was composed of a phospholipid bilayer between two layers of globular proteins.
• C)the cell membrane was composed of a phospholipid bilayer with globular proteins actually inserted into the bilayer.
• D)the cell membrane was composed of a phospholipid bilayer but the polar ends of the phospholipid molecules were reversed.

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