a bacterium is suddenly expelled from a warm human intestine into the cold world
ID: 12796 • Letter: A
Question
a bacterium is suddenly expelled from a warm human intestine into the cold world outside. which of the following adjustments might the bacterium make to maintain the same level of membrane fluidity that the cell had in the intestine? explain why your choice would work.a. increase the length of the hydrocarbon tails in its membrane phospholipids
b. increase the proportion of unsaturated hydrocarbon tails in its membrane phospholipids
c. increase the proportion of hydrocarbon tails with no double bonds in its membrane phospholipid
d. decrease the amount of cholesterol in the membrane
Explanation / Answer
a bacterium is suddenly expelled from a warm human intestine into the cold world outside. which of the following adjustments might the bacterium make to maintain the same level of membrane fluidity that the cell had in the intestine? explain why your choice would work.
a. increase the length of the hydrocarbon tails in its membrane phospholipids
b. increase the proportion of unsaturated hydrocarbon tails in its membrane phospholipids
c. increase the proportion of hydrocarbon tails with no double bonds in its membrane phospholipid
d. decrease the amount of cholesterol in the membrane
in cold conditions, hydrophobic interation among the lipids(saturated )tails helps to solidy easily than unsaturated lipids
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