Biological Membranes Overview Quiz
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Questions and Answers

Which macromolecule provides the basic structure and framework of the membrane?

  • Cholesterol
  • Carbohydrates
  • Proteins
  • Lipids (correct)
  • What is the primary characteristic of phospholipids in the membrane?

  • Polar tails
  • Non-polar tails
  • Amphibathic nature (correct)
  • Hydrophobic head
  • Which type of lipid is the most abundant in biological membranes?

  • Phospholipids (correct)
  • Glycolipids
  • Cholesterol
  • Sphingomyelin
  • What is the primary function of carbohydrates in biological membranes?

    <p>Cell recognition</p> Signup and view all the answers

    Which component of the membrane is responsible for selective permeability?

    <p>Lipids</p> Signup and view all the answers

    What type of fatty acids make the membrane less fluid and are considered 'bad fats'?

    <p>Saturated fatty acids</p> Signup and view all the answers

    What is the function of glycolipids in the cell membrane?

    <p>Cell adhesion</p> Signup and view all the answers

    Which type of membrane protein is involved in transmitting signals from outside a cell into the inside of the cell?

    <p>G proteins</p> Signup and view all the answers

    What plays a key role in cell-cell recognition and the ability of a cell to distinguish one cell from another?

    <p>Carbohydrates</p> Signup and view all the answers

    What is the main reason for the fluidity of the cell membrane?

    <p>Fluid mosaic model composition</p> Signup and view all the answers

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