Other questions in this quiz

2. why do fats help aquatic animals to float?

  • because they trap air pockets
  • they are denser than water
  • because they are less dense than water
  • because they repel water

3. which part of the phospholipid is known as the head?

  • the fatty acid chains
  • the phosphate group and the glycerol molecule
  • the phosphate group
  • the fatty acid chains and phosphate group

4. which one of these reasons most accurately explains why lipids are insoluble

  • lipids are non polar
  • lipids are charged
  • lipids are polar
  • lipids are not charged

5. why are fats a better source of energy than sugars?

  • because they are larger molecules
  • because they contain more energy per unit of mass
  • last longer bc insoluble
  • it isnt

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