Suggest a reason why the cell membranes of bacteria grown at 20°C tend to have a higher proportion of unsaturated fatty acids than the membranes of bacteria of the same species grown at 37°C. In other words, the bacteria grown at 37°C have a higher proportion of saturated fatty acids in their cell membranes.
Answer to relevant QuestionsDraw the structure of a phosphoacylglycerol that contains glycerol, oleic acid, stearic acid, and choline. Write the structural formula for a triacylglycerol, and name the component parts. Explain, and draw a diagram to show, how acetylation or phosphorylation could change the binding affinity between DNA and histones. Why does the absorbance increase when a DNA sample unwinds? What are the common features of all DNA polymerases?
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