| Evidence
for Membrane Fluidity |
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| • | Frye
and Ediden experiment |
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| • | See
Figure 9.7 |
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| • | Lipid
lateral diffusion demonstrated by NMR and |
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| EPR
measurements. |
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| • | Membrane
“phase transition” similar to that in |
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| pure
phospholipid bilayers, but broader. |
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| • | See
Figures 9.12 and 9.13 |
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| • | Presence
of unsaturated fatty acids in natural |
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| membranes
lowers the transition temperature. |
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| • | Low
temperatures stimulate an increase in fatty acid |
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| content
of some organisms. |
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