Lipids in Cell Membranes
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Questions and Answers

What is the major role of phospholipids and cholesterol in cells?

  • Creating cell and intracellular membrane barriers (correct)
  • Serving as parts of glycoprotein molecules
  • Being soluble in water to provide energy
  • Forming the main storehouse of energy-giving nutrients

    • Which lipid type accounts for about 2 percent of the total cell mass?

  • Triglycerides
  • Neutral fat
  • Phospholipids (correct)
  • Cholesterol

    • What is the primary function of carbohydrates in cells?

  • Providing energy through glycoprotein molecules
  • Playing a major role in cell nutrition (correct)
  • Forming the main storehouse of nutrients
  • Serving as structural components of the cell membrane

    • Which type of cells often contain triglycerides that account for as much as 95 percent of the cell mass?

    <p>Fat cells</p> Signup and view all the answers

    Why do phospholipids and cholesterol play a significant role in cell biology?

    <p>They are insoluble in water and help create cell membranes</p> Signup and view all the answers

    In which cells does the amount of carbohydrates typically increase to as much as 6 percent of their total mass?

    <p>Liver cells</p> Signup and view all the answers

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