The measure of fluidity of a cell membrane is:

1. the ability of proteins to flip-flop between the two layers of phospholipids
2. the ability of proteins to move laterally within the membrane
3. the ability of lipids to flip-flop between the two layers of phospholipids
4. the ability of lipids to move laterally within the membrane
Subtopic:  Evidence for Fluidic Nature of Membrane |
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The fluid mosaic model for the plasma membrane was proposed by:
1. H. Davson and J. Danielli
2. Schleiden and Schwann
3. Singer and Nicolson
4. Robert Brown and Robert Hooke
Subtopic:  Evidence for Fluidic Nature of Membrane |
 94%
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