You Have Just Discovered an Organism That Lives in Extremely

question 30

Multiple Choice

You have just discovered an organism that lives in extremely cold environments. Which of the following would you predict to be TRUE about the phospholipids in its membranes, compared to phospholipids in the membranes of organisms that live in warmer environments?

• A) The membrane phospholipids of cold-adapted organisms will have longer hydrocarbon tails.
• B) The membrane phospholipids of cold-adapted organisms will have more saturated hydrocarbon tails.
• C) The membrane phospholipids of cold-adapted organisms will have more unsaturated hydrocarbon tails.

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