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Cell Membrane Transport Mechanisms
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Cell Membrane Transport Mechanisms

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Questions and Answers

What is the primary function of the cell membrane in maintaining homeostasis?

  • Balancing pH, temperature, and water balance (correct)
  • Storing genetic information
  • Synthesizing proteins
  • Regulating gene expression
  • What is the characteristic of the fatty acid tails of a phospholipid?

  • Electronegative
  • Hydrophobic (correct)
  • Positively charged
  • Hydrophilic
  • Which type of cell has a cell membrane only?

  • Animal Cells (correct)
  • Eukaryotes
  • Prokaryotes
  • Plant cells
  • What is the term for the movement of water molecules through a selectively permeable membrane from an area of high concentration to an area of low concentration?

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

    What is the term for the ability of a solution to exert osmotic pressure?

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

    What is the type of protein that facilitates the transport of water molecules across the cell membrane?

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

    Which type of transport involves the movement of molecules from an area of high concentration to an area of low concentration without the use of energy?

    <p>Passive transport</p> Signup and view all the answers

    What is the term for the movement of molecules from an area of high concentration to an area of low concentration with the assistance of transport proteins?

    <p>Facilitated diffusion</p> Signup and view all the answers

    What is the term for the ability of a solution to maintain a stable osmotic pressure?

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

    What is the primary function of the cell membrane in terms of transport?

    <p>Maintaining homeostasis through transport</p> Signup and view all the answers

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