Biology 1: Plasma Membrane Permeability
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Questions and Answers

What is the relative permeability of the plasma membrane based on?

  • Length, width, height, and mass
  • Weight, volume, density, and shape
  • Temperature, pressure, color, and texture
  • Size, charge, composition, and solubility (correct)
  • What happens to a cell in a hypertonic solution?

  • It swells
  • It shrinks (correct)
  • It remains unchanged
  • It ruptures
  • Which type of solution has equal solute concentration compared to the cell?

  • Isotonic solution (correct)
  • Hypertonic solution
  • Superatonic solution
  • Hypotonic solution
  • Which type of transport involves the passage of water molecules from higher water content to lower water content?

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

    What type of transport involves the transfer of large water-soluble molecules or electrically charged molecules across the membrane with the help of integral proteins?

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

    What is the process of diffusion of salts (solutes) through a semi-permeable membrane called?

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

    In which type of solution will a cell be swollen and possibly ruptured?

    <p>Hypotonic solution</p> Signup and view all the answers

    What is the condition of a cell in an isotonic solution?

    <p>It remains unchanged</p> Signup and view all the answers

    Which type of transport involves the passage of large polar molecules and ions across the plasma membrane?

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

    In physiological transport (carrier-mediated transport), what assists in the transfer of large water-soluble molecules or electrically charged molecules across the membrane?

    <p>Integral protein</p> Signup and view all the answers

    Which type of polysaccharide serves as a structural material found in arthropods?

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

    What is the term for a long molecule built by linking together a large number of small, similar chemical subunits called monomers?

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

    Which type of carbohydrates consist entirely of unbranched chains of α-glucose molecules?

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

    What are sugar isomers with the empirical formula C6H12O6 that have identical chemical groups bonded to different carbon atoms called?

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

    In which type of solution will a cell be swollen and possibly ruptured?

    <p>Hypotonic solution</p> Signup and view all the answers

    What is responsible for the cohesive nature of water molecules?

    <p>Hydrogen bonding</p> Signup and view all the answers

    Which of the following is NOT a property that differentiates living things from non-living things?

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

    What is the structural and functional unit of a living organism?

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

    Which level of organization in complex multicellular organisms involves groups of different tissues?

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

    What is responsible for the high surface tension of water?

    <p>Cohesion of water molecules</p> Signup and view all the answers

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