Organisms which cannot control their internal body temperature must adapt to the temperature of the environment in which they find themselves. One adaptation is to change the fatty acid composition of cell membranes, in order to maintain the same degree of membrane fluidity at different temperatures. If you grow E. coli at higher temperatures than usual, how might the membrane composition change?
a) Would the membranes have more or less unsaturated fatty acids? How and why
would this affect membrane fluidity?
b) Would the membranes have shorter or longer fatty acid chain lengths? How and why
would this affect membrane fluidity?
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