Gas Exchange

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Questions and Answers

What is the primary mechanism by which gases move during gas exchange?

  • Facilitated diffusion
  • Osmosis
  • Active transport
  • Passive diffusion (correct)

What is the primary factor that necessitates an efficient gas exchange system in living organisms?

  • Energy production
  • Cell division
  • Metabolic waste elimination (correct)
  • Nutrient absorption

In unicellular organisms, what is typically the gas exchange membrane?

  • Nuclear membrane
  • Mitochondrial membrane
  • Cell membrane (correct)
  • Endoplasmic reticulum membrane

In larger organisms, what structure is typically involved in gas exchange?

<p>Cell membrane (B)</p> Signup and view all the answers

What is the primary role of the gas-permeable membrane in gas exchange?

<p>Facilitation of passive diffusion (D)</p> Signup and view all the answers

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