Cell Membranes

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Questions and Answers

Which of the following is NOT a function of cell membranes?

  • Defining the perimeter of a cell
  • Participating in energy transduction (correct)
  • Serving as selectively permeable barriers
  • Allowing compartments to form inside a cell

What term is used to describe membrane lipid molecules?

  • Bilayer
  • Hydrophilic
  • Hydrophobic
  • Amphipathic (correct)

What happens when membrane phospholipids are placed in water?

  • They assemble into bilayers (correct)
  • They reseal if torn
  • They form closed junctions
  • They mediate cell-cell recognition

What do proteins do in cell membranes?

<p>Mediate cell-cell recognition (D)</p> Signup and view all the answers

What do cell membranes participate in?

<p>Energy transduction (D)</p> Signup and view all the answers

Which of the following is NOT a function of cell membranes?

<p>Participating in energy transduction (B)</p> Signup and view all the answers

What term is used to describe the shape of membrane phospholipids?

<p>Amphipathic (A)</p> Signup and view all the answers

What is the primary role of proteins in cell membranes?

<p>Mediating cell-cell recognition (D)</p> Signup and view all the answers

What happens when membrane phospholipids are placed in water?

<p>They form bilayers (B)</p> Signup and view all the answers

What do cell membranes participate in for energy transduction?

<p>Ion and solute gradients (B)</p> Signup and view all the answers

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